USD382887S - Back drilling threaded bit - Google Patents

Back drilling threaded bit Download PDF

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Publication number
USD382887S
USD382887S US29/055,215 US5521596F USD382887S US D382887 S USD382887 S US D382887S US 5521596 F US5521596 F US 5521596F US D382887 S USD382887 S US D382887S
Authority
US
United States
Prior art keywords
back drilling
drilling threaded
threaded bit
bit
ornamental design
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
Application number
US29/055,215
Inventor
Charles D. Hollar
Stuart A. Connell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to US29/055,215 priority Critical patent/USD382887S/en
Assigned to INGERSOLL-RAND COMPANY reassignment INGERSOLL-RAND COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CONNELL, STUART A., HOLLAR, CHARLES D
Application granted granted Critical
Publication of USD382887S publication Critical patent/USD382887S/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view showing the design from the bottom, front and one side;
FIG. 2 is a front view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a back view thereof; and,
FIG. 6 is a left side view thereof, the right side being a mirror image of the left side.

Claims (1)

  1. The ornamental design for a back drilling threaded bit, as shown and described.
US29/055,215 1996-05-31 1996-05-31 Back drilling threaded bit Expired - Lifetime USD382887S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/055,215 USD382887S (en) 1996-05-31 1996-05-31 Back drilling threaded bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/055,215 USD382887S (en) 1996-05-31 1996-05-31 Back drilling threaded bit

Publications (1)

Publication Number Publication Date
USD382887S true USD382887S (en) 1997-08-26

Family

ID=71451644

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/055,215 Expired - Lifetime USD382887S (en) 1996-05-31 1996-05-31 Back drilling threaded bit

Country Status (1)

Country Link
US (1) USD382887S (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100320003A1 (en) * 2009-06-17 2010-12-23 The Sollami Co. Bit for use in at least one of mining, trenching and milling applications
USD755265S1 (en) * 2013-08-20 2016-05-03 Hunting Energy Services (International) Limited Drilling tool
USD759135S1 (en) * 2013-08-20 2016-06-14 Hunting Energy Services (International) Limited Drilling tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730682A (en) * 1985-12-23 1988-03-15 Ingersoll-Rand Company Erosion resistant rock drill bit
US5025875A (en) * 1990-05-07 1991-06-25 Ingersoll-Rand Company Rock bit for a down-the-hole drill
US5145017A (en) * 1991-01-07 1992-09-08 Exxon Production Research Company Kerf-cutting apparatus for increased drilling rates
US5366032A (en) * 1993-06-09 1994-11-22 Kay Mark A Rock bit
USD359968S (en) * 1993-07-02 1995-07-04 Stefan Ekblad Cutting element for wire saw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730682A (en) * 1985-12-23 1988-03-15 Ingersoll-Rand Company Erosion resistant rock drill bit
US5025875A (en) * 1990-05-07 1991-06-25 Ingersoll-Rand Company Rock bit for a down-the-hole drill
US5145017A (en) * 1991-01-07 1992-09-08 Exxon Production Research Company Kerf-cutting apparatus for increased drilling rates
US5366032A (en) * 1993-06-09 1994-11-22 Kay Mark A Rock bit
USD359968S (en) * 1993-07-02 1995-07-04 Stefan Ekblad Cutting element for wire saw

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100320003A1 (en) * 2009-06-17 2010-12-23 The Sollami Co. Bit for use in at least one of mining, trenching and milling applications
USD755265S1 (en) * 2013-08-20 2016-05-03 Hunting Energy Services (International) Limited Drilling tool
USD759135S1 (en) * 2013-08-20 2016-06-14 Hunting Energy Services (International) Limited Drilling tool

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