USRE35073E - Apparatus and method for removing oil spots from a surface - Google Patents
Apparatus and method for removing oil spots from a surface Download PDFInfo
- Publication number
- USRE35073E USRE35073E US07/935,653 US93565392A USRE35073E US RE35073 E USRE35073 E US RE35073E US 93565392 A US93565392 A US 93565392A US RE35073 E USRE35073 E US RE35073E
- Authority
- US
- United States
- Prior art keywords
- platen
- shaft
- eccentric weights
- eccentrically weighted
- vibrating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/001—Treatment of dispersed oil or similar pollution on roads, for instance devices for applying treating agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18544—Rotary to gyratory
- Y10T74/18552—Unbalanced weight
Definitions
- This invention relates generally to vibrators, and in particular to a vibrator apparatus and method for removing oil spots from a surface.
- a user may have to wait an inordinate amount of time to remove the granules and absorbed oil if he waits for the granules to be completely saturated. Consequently, the user generally pours a large quantity of granules on the puddle than would be required if the granules were given time to be saturated. Thus, an excessive amount is needed to absorb the puddle.
- a vibrator apparatus for removing oil from a surface
- the provision of such an apparatus for moving oil absorbing granules over an oil spot the provision of such an apparatus which increases the amount of oil absorbed by the granules
- the provision of such an apparatus which vibrates the granules against the surface the provision of such an apparatus in which the vibration is adjustable; and the provision of such an apparatus which is easy to operate and which is of relatively simple and inexpensive construction.
- the vibrator apparatus of the present invention is adapted for rubbing absorbent granules against a surface, such as a concrete floor, to remove oil spots and the like from the surface.
- the apparatus comprises a platen having a generally flat lower face for engaging the surface, and means for vibrating the platen to rub the granules against the surface.
- the vibrating means comprises an eccentrically weighted shaft rotatably mounted on the platen and means for rotating the shaft to thereby cause vibration.
- the eccentrically weighted shaft comprises at least two eccentric weights mounted on the shaft and projected radially therefrom at axially spaced locations. At least one of the eccentric weights is rotatable relative to the shaft to adjust the relative angular orientation of the eccentric weights.
- the shaft further includes means for releasably locking the relatively rotatable eccentric weight(s) relative to the shaft, whereby adjustment of the relative angular orientations of the eccentric weights alters the vibrating motion of the platen.
- oil spots and the like are removed from a surface, such as a concrete floor.
- Absorbent granules are spread over an oil spot.
- a platen is then moved over the granules and vibrated by a power driven vibrating means whereby the granules are rubbed against the oil spot by the platen to absorb the oil and, thus, remove the spot.
- FIG. 1 is a rear elevation view of a vibrator apparatus of the present invention
- FIG. 2 is a side elevation view
- FIG. 3 is a plan view taken along line 3--3 of FIG. 2;
- FIG. 4 is a front elevation view taken along line 4--4 of FIG. 2;
- FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 4 showing the eccentrically weighted shaft.
- a vibrator apparatus for rubbing absorbent granules against a surface, such as a concrete floor, to remove oil spots and the like from the surface, constructed according to the principles of this invention is indicated generally as 20 in FIG. 1. It comprises a platen 22 having a generally flat lower face 24 for engaging the surface. An eccentrically weighted shaft 26 is rotatably mounted on platen 22 and driven by an electric motor 28. Rotation of shaft 26 by motor 28 causes platen 22 to vibrate. Thus, shaft 26 and motor 28 constitute means for vibrating platen 22 to rub absorbent granules against the surface.
- Two eccentric weights 30 and 32 mounted on shaft 26 and projecting radially therefrom at axially spaced locations, are rotatable relative to shaft 26 to adjust the relative angular orientation of weights 30 and 32.
- weights 30 and 32 are releasably lockable to shaft 26 at incremental positions around the shaft whereby adjustment of the relative angular orientations of weights 30 and 32 alters the vibrating motion of platen 22.
- shaft 26 is mounted on a channel 34, secured to the top face of platen 22, by roller bearings 36.
- Weights 30 and 32 are generally flat bars and are fixed to collars 38 and 40, respectively, which fit over opposite end portions of shaft 26.
- Screws 42 extend through weights 30 and 32 and are threaded axially into shaft 26 to secure weights 30 and 32 to shaft 26.
- set screws 44 are threaded through collars 34 and 40 and engage shaft 26 to releasably lock weights 30 and 32 and collars 38 and 40 to shaft 26.
- box-shaped guards 45 are positioned over weights 30 and 32 to protect the operator from the rotating weights 30 and 32.
- the vibration characteristics imparted to platen 22 can be adjusted by varying the relative angular orientation of weights 30 and 32. As shown in FIG. 2, weights 30 and 32 are oriented approximately 90° with respect to each other. However, increasing or decreasing such orientation changes the vibration characteristics. For example, it is believed that the amplitude of vibration is maximized when weights 30 and 32 are oriented at 180° with respect to each other and that the amplitude is minimized when weights 30 and 32 are oriented at 0° with respect to each other. Thus, the vibration characteristics imparted to platen 22 can be adjusted to meet the requirements of the operator.
- Shaft 26 is rotatably driven by motor 28.
- a drive pulley 46 of motor 28 is coupled to a pulley 48 secured to shaft 26 by a V-belt 50. Rotation of pulley 46 rotates pulley 48 and shaft 26.
- a belt guard 52 is positioned around V-belt 50 to prevent injury to the operator.
- a power cord 53 adapted to plug into an electric outlet, extends from motor 28.
- Motor 28 is adjustably mounted on a motor support member 54 which extends upwardly from channel 34. As shown in FIGS. 3 and 4, four bolts 56 extend horizontally from motor 28 and through vertical slots 58 in support member 54. Two of the bolts 56 also extend through a motor adjustment bracket 60. Bolts 56 are adapted for riding along slots 58 as the position of motor 28 is adjusted up or down to vary the tension on belt 50.
- a flange 62 extends horizontally from the lower edge of bracket 60.
- a flat plate 64, positioned below flange 62, is welded to and extends horizontally from support member 54.
- An adjustment bolt 66 is welded to plate 64 and extends upwardly through an aperture 68 in flange 62.
- a nut 70 fastened onto bolt 66, abuts the lower face of flange 62 to prevent bracket 60 and motor 28 from moving downwardly with respect to support member 54.
- Turning nut 70 changes the heightwise position of motor 28 with respect to support member 54 so that the tension in belt 50 can be adjusted.
- nuts 72 can be tightened on bolts 56 to lock motor 28 against support member 54.
- Platen 22 comprises superposed upper and lower members 74 and 76, preferably made of wood. Members 74 and 76 are releasably secured together and connected to channel 34 by bolts 78 extending through members 74 and 76 and threaded into corresponding nuts 80. If lower member 76 wears excessively or is damaged, then it can be replaced by a new member.
- a handle structure 82 extends generally upwardly from platen 22 to enable an operator to move apparatus 20 over the surface.
- Sleeves 48 extend generally upwardly from and are secured to channel 34.
- the lower portions of handle structure 82 are releasably connected to sleeves 84 by bolts 86 and corresponding cotter pins 88.
- handle structure 82 can be disconnected from sleeves 84 for storage.
- Casters 90 constituting roller means, are connected to channel 34 by supports 92. They are positioned adjacent an edge 94 of platen 22 and generally above the lower face 24 of platen 22 so that tilting apparatus 20 toward the edge causes the casters 90 to contact the surface and elevate lower face 24 above the surface of enabling apparatus 20 to roll.
- casters 90 are engageable with the surface to transport apparatus 20.
- the lower face 24 abuts the surface, i.e., during operation of apparatus 20, casters 90 are positioned above and not in contact with the surface.
- absorbent granules are spread over an oil spot on the surface.
- Platen 22 is then moved over the granules and vibrated to rub the granules against the oil spot to absorb the oil.
- the vibration of platen 22 causes the granules to move about the oil spot to more effectively absorb the oil.
- the vibration also compresses and then releases the granules.
- Such compression and release increases the rate and effectiveness of absorption just as compression and release of a sponge increases its rate and effectiveness of absorption.
- vibration of platen 22 causes the granules to absorb more oil.
- the platen 22 rubbing the granules abrades the surface to remove oil residue or stains. Accordingly, apparatus 20 is easy to operate and is of relatively simple and inexpensive construction.
Abstract
Description
Claims (2)
- vibrating motion of the platen..]. .[.5. The apparatus according to claim 4 wherein the lower member is formed of wood..]. .[.6. A vibrator apparatus adapted for rubbing absorbent granules against a surface, such as a concrete floor, to remove oil spots and the like from the surface, the apparatus comprising a platen having a generally flat lower face for engaging the surface, and means for vibrating the platen to rub the granules against the surface, said vibrating means comprising an eccentrically weighted shaft rotatably mounted on the platen and means for rotating the eccentrically weighted shaft to cause the platen to vibrate, the eccentrically weighted shaft comprising two eccentric weights mounted adjacent opposite ends of the shaft and projecting radially of the shaft, at least one of the eccentric weights being rotatable relative to the shaft to adjust the relative angular orientation of the eccentric weights with respect to each other, and means for releasably locking the relatively rotatable eccentric weight relative to the shaft at incremental positions around the shaft, whereby adjustment of the relative angular orientations of the eccentric weights alters the vibrating motion of the
- platen..]. .Iadd.7. A method of removing oil spots from a concrete surface with power driven vibrator apparatus having a platen with a releasably secured lower member of wood, comprising the steps of:spreading granular material which is absorbent and abrasive over an oil spot;placing the platen over the granular material;vibrating the platen to repetitively compress and release the granules so that the granular material is rubbed against the oil spot by the lower member of the platen to abrade the oil spot and absorb the oil and wear away the lower wood member; andremoving the granular material from the cleaned concrete surface. .Iaddend. .Iadd.8. A method of removing oil spots from a concrete surface with vibrator apparatus having a power driven eccentrically weighted rotatable shaft mounted on a platen with a releasably secured lower member of wood, comprising the steps of:spreading absorbent and abrasive granules over an oil spot;placing the platen over the absorbent granules;rotating the eccentrically weighted shaft to vibrate the platen so that the absorbent and abrasive granules are rubbed against the oil spot by the lower wood member of the platen to absorb the oil and wear away the lower wood member;removing the granular material from the cleaned surface;removing the lower member from the platen when the wear becomes excessive; andsecuring a replacement lower wood member thereto. .Iaddend. .Iadd.9. The method of claim 8 wherein the step of rotating the eccentrically weighted shaft comprises rotating the shaft and two eccentric weights mounted on the shaft and projecting radially therefrom at axially spaced locations. .Iaddend. .Iadd.10. The method of claim 9 further comprising the step of adjusting the relative angular orientation of the eccentric weights to alter the vibrating motion of the platen. .Iaddend.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/935,653 USRE35073E (en) | 1989-01-18 | 1992-08-26 | Apparatus and method for removing oil spots from a surface |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/298,471 US4947940A (en) | 1989-01-18 | 1989-01-18 | Apparatus and method for removing oil spots from a surface |
CA002085746A CA2085746C (en) | 1989-01-18 | 1990-06-25 | Apparatus and method for removing oil spots from a surface |
PCT/US1990/003544 WO1992000424A1 (en) | 1989-01-18 | 1990-06-25 | Apparatus and method for removing oil spots from a surface |
US72658091A | 1991-07-08 | 1991-07-08 | |
US07/935,653 USRE35073E (en) | 1989-01-18 | 1992-08-26 | Apparatus and method for removing oil spots from a surface |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/298,471 Reissue US4947940A (en) | 1989-01-18 | 1989-01-18 | Apparatus and method for removing oil spots from a surface |
US72658091A Continuation | 1989-01-18 | 1991-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE35073E true USRE35073E (en) | 1995-10-31 |
Family
ID=42062575
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/298,471 Ceased US4947940A (en) | 1989-01-18 | 1989-01-18 | Apparatus and method for removing oil spots from a surface |
US07/935,653 Expired - Lifetime USRE35073E (en) | 1989-01-18 | 1992-08-26 | Apparatus and method for removing oil spots from a surface |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/298,471 Ceased US4947940A (en) | 1989-01-18 | 1989-01-18 | Apparatus and method for removing oil spots from a surface |
Country Status (5)
Country | Link |
---|---|
US (2) | US4947940A (en) |
EP (1) | EP0536118B1 (en) |
CA (1) | CA2085746C (en) |
DE (1) | DE69021591D1 (en) |
WO (1) | WO1992000424A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999041024A1 (en) * | 1998-02-13 | 1999-08-19 | Isolyser Company, Inc. | Oil absorption and reclamation methods |
US6524393B1 (en) | 1998-02-13 | 2003-02-25 | Isolyser Company, Inc. | Oil absorption and reclamation methods therefrom |
US20100028087A1 (en) * | 2008-07-29 | 2010-02-04 | Geopier Foundation Company, Inc. | Shielded Tamper and Method of Use for Making Aggregate Columns |
US8562258B2 (en) | 2008-07-29 | 2013-10-22 | Geopier Foundation Company, Inc. | Shielded tamper and method of use for making aggregate columns |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN220364828U (en) * | 2020-11-24 | 2024-01-19 | 米沃奇电动工具公司 | Plate type compactor |
Citations (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1317465A (en) * | 1919-09-30 | Frederick tubltbttll | ||
US1887341A (en) * | 1928-02-07 | 1932-11-08 | Blaw Knox Co | Method of and machinery for forming pavements |
US1955101A (en) * | 1932-04-07 | 1934-04-17 | Francis P Sloan | Apparatus for compacting concrete or similar surfaces |
US2141301A (en) * | 1936-06-29 | 1938-12-27 | Jackson Corwill | Concrete working machine |
US2395399A (en) * | 1942-09-26 | 1946-02-26 | Kalman Floor Co | Machine for surfacing concrete |
US2400341A (en) * | 1944-07-13 | 1946-05-14 | William P Day | Vibrating hand trowel |
US2737094A (en) * | 1951-08-14 | 1956-03-06 | Jackson Vibrators | Compactor for asphaltic and other materials |
US2856828A (en) * | 1955-01-24 | 1958-10-21 | Leukart Machine Co Inc J | Impacting machine |
US2894435A (en) * | 1955-12-16 | 1959-07-14 | Leukart Machine Co Inc J | Impacting machine |
US3339422A (en) * | 1965-03-18 | 1967-09-05 | Petrin Frank | Electric motor driven vibrator and adjusting device therefor |
US3342118A (en) * | 1961-05-25 | 1967-09-19 | Beierlein Bernhard | Tamping device |
US3382101A (en) * | 1964-04-17 | 1968-05-07 | Atlantic Man Company | Method for eradicating hydrocarbon stains from concrete surfaces |
US3396805A (en) * | 1966-01-03 | 1968-08-13 | Muller Ludwig | Vibrating devices |
US3498601A (en) * | 1968-04-29 | 1970-03-03 | Ilya Scheinker Inc | Adjustment means for jogging machine |
US3572641A (en) * | 1969-02-03 | 1971-03-30 | Edwin F Peterson | Rotary vibrator with adjustable weight means |
US3604520A (en) * | 1969-09-11 | 1971-09-14 | Howard L Shatto Jr | Sonically driven paint scraper |
US3771374A (en) * | 1971-08-16 | 1973-11-13 | Russel Finex | Out-of-balance weight assemblies |
US3814533A (en) * | 1972-11-03 | 1974-06-04 | H Buck | Compactor for soil and the like with improved vibrator assembly |
US3878733A (en) * | 1974-01-15 | 1975-04-22 | Stone Construction Equipment | Compactor with directional control for eccentric weights |
US4113403A (en) * | 1977-08-31 | 1978-09-12 | Stone Construction Equipment Inc. | Plate type compactor |
US4145156A (en) * | 1976-08-24 | 1979-03-20 | Dynapac Maskin Ab | Plate vibrator |
US4152943A (en) * | 1978-02-24 | 1979-05-08 | Ingersoll-Rand Company | Vibratory mechanism |
US4211121A (en) * | 1976-09-01 | 1980-07-08 | Fmc Corporation | Vibrator with eccentric weights |
US4401475A (en) * | 1980-08-05 | 1983-08-30 | Hans Eriksson | Method of clearing away liquid |
US4412757A (en) * | 1980-09-05 | 1983-11-01 | Delmag-Maschinenfabrik Reinhold Dornfeld Gmbh & Co. | Vibration machine for compacting materials, in particular an earth compacting machine |
US4492001A (en) * | 1981-02-05 | 1985-01-08 | Sancon Aktiebolag | Method to clean up oil spills or similar substances and a device to practice this method |
-
1989
- 1989-01-18 US US07/298,471 patent/US4947940A/en not_active Ceased
-
1990
- 1990-06-25 DE DE69021591T patent/DE69021591D1/en not_active Expired - Lifetime
- 1990-06-25 EP EP90911399A patent/EP0536118B1/en not_active Expired - Lifetime
- 1990-06-25 CA CA002085746A patent/CA2085746C/en not_active Expired - Fee Related
- 1990-06-25 WO PCT/US1990/003544 patent/WO1992000424A1/en active IP Right Grant
-
1992
- 1992-08-26 US US07/935,653 patent/USRE35073E/en not_active Expired - Lifetime
Patent Citations (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1317465A (en) * | 1919-09-30 | Frederick tubltbttll | ||
US1887341A (en) * | 1928-02-07 | 1932-11-08 | Blaw Knox Co | Method of and machinery for forming pavements |
US1955101A (en) * | 1932-04-07 | 1934-04-17 | Francis P Sloan | Apparatus for compacting concrete or similar surfaces |
US2141301A (en) * | 1936-06-29 | 1938-12-27 | Jackson Corwill | Concrete working machine |
US2395399A (en) * | 1942-09-26 | 1946-02-26 | Kalman Floor Co | Machine for surfacing concrete |
US2400341A (en) * | 1944-07-13 | 1946-05-14 | William P Day | Vibrating hand trowel |
US2737094A (en) * | 1951-08-14 | 1956-03-06 | Jackson Vibrators | Compactor for asphaltic and other materials |
US2856828A (en) * | 1955-01-24 | 1958-10-21 | Leukart Machine Co Inc J | Impacting machine |
US2894435A (en) * | 1955-12-16 | 1959-07-14 | Leukart Machine Co Inc J | Impacting machine |
US3342118A (en) * | 1961-05-25 | 1967-09-19 | Beierlein Bernhard | Tamping device |
US3382101A (en) * | 1964-04-17 | 1968-05-07 | Atlantic Man Company | Method for eradicating hydrocarbon stains from concrete surfaces |
US3339422A (en) * | 1965-03-18 | 1967-09-05 | Petrin Frank | Electric motor driven vibrator and adjusting device therefor |
US3396805A (en) * | 1966-01-03 | 1968-08-13 | Muller Ludwig | Vibrating devices |
US3498601A (en) * | 1968-04-29 | 1970-03-03 | Ilya Scheinker Inc | Adjustment means for jogging machine |
US3572641A (en) * | 1969-02-03 | 1971-03-30 | Edwin F Peterson | Rotary vibrator with adjustable weight means |
US3604520A (en) * | 1969-09-11 | 1971-09-14 | Howard L Shatto Jr | Sonically driven paint scraper |
US3771374A (en) * | 1971-08-16 | 1973-11-13 | Russel Finex | Out-of-balance weight assemblies |
US3814533A (en) * | 1972-11-03 | 1974-06-04 | H Buck | Compactor for soil and the like with improved vibrator assembly |
US3878733A (en) * | 1974-01-15 | 1975-04-22 | Stone Construction Equipment | Compactor with directional control for eccentric weights |
US4145156A (en) * | 1976-08-24 | 1979-03-20 | Dynapac Maskin Ab | Plate vibrator |
US4211121A (en) * | 1976-09-01 | 1980-07-08 | Fmc Corporation | Vibrator with eccentric weights |
US4113403A (en) * | 1977-08-31 | 1978-09-12 | Stone Construction Equipment Inc. | Plate type compactor |
US4152943A (en) * | 1978-02-24 | 1979-05-08 | Ingersoll-Rand Company | Vibratory mechanism |
US4401475A (en) * | 1980-08-05 | 1983-08-30 | Hans Eriksson | Method of clearing away liquid |
US4412757A (en) * | 1980-09-05 | 1983-11-01 | Delmag-Maschinenfabrik Reinhold Dornfeld Gmbh & Co. | Vibration machine for compacting materials, in particular an earth compacting machine |
US4492001A (en) * | 1981-02-05 | 1985-01-08 | Sancon Aktiebolag | Method to clean up oil spills or similar substances and a device to practice this method |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999041024A1 (en) * | 1998-02-13 | 1999-08-19 | Isolyser Company, Inc. | Oil absorption and reclamation methods |
US6110293A (en) | 1998-02-13 | 2000-08-29 | Isolyser Company, Inc. | Oil absorption and reclamation methods |
US6524393B1 (en) | 1998-02-13 | 2003-02-25 | Isolyser Company, Inc. | Oil absorption and reclamation methods therefrom |
US20100028087A1 (en) * | 2008-07-29 | 2010-02-04 | Geopier Foundation Company, Inc. | Shielded Tamper and Method of Use for Making Aggregate Columns |
US8128319B2 (en) | 2008-07-29 | 2012-03-06 | Geopier Foundation Company, Inc. | Shielded tamper and method of use for making aggregate columns |
US8562258B2 (en) | 2008-07-29 | 2013-10-22 | Geopier Foundation Company, Inc. | Shielded tamper and method of use for making aggregate columns |
Also Published As
Publication number | Publication date |
---|---|
EP0536118A4 (en) | 1993-06-30 |
EP0536118B1 (en) | 1995-08-09 |
EP0536118A1 (en) | 1993-04-14 |
CA2085746C (en) | 1996-09-03 |
CA2085746A1 (en) | 1991-12-26 |
DE69021591D1 (en) | 1995-09-14 |
WO1992000424A1 (en) | 1992-01-09 |
US4947940A (en) | 1990-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: WILKENS, JUDY A., COLORADO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DICKEY, MAYLON E.;REEL/FRAME:006449/0476 Effective date: 19920728 Owner name: MARTIN, GARY N., COLORADO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DICKEY, MAYLON E.;REEL/FRAME:006449/0476 Effective date: 19920728 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |