USD404407S - Eight blade drill bit - Google Patents
Eight blade drill bit Download PDFInfo
- Publication number
- USD404407S USD404407S US29/084,561 US8456198F USD404407S US D404407 S USD404407 S US D404407S US 8456198 F US8456198 F US 8456198F US D404407 S USD404407 S US D404407S
- Authority
- US
- United States
- Prior art keywords
- drill bit
- blade drill
- blade
- view
- 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
Links
Images
Description
FIG. 1 is a top plan view of a eight blade drill bit showing our new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a bottom plan perspective view thereof.
Claims (1)
- The ornamental design for an eight blade drill bit, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/084,561 USD404407S (en) | 1998-03-05 | 1998-03-05 | Eight blade drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/084,561 USD404407S (en) | 1998-03-05 | 1998-03-05 | Eight blade drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD404407S true USD404407S (en) | 1999-01-19 |
Family
ID=71729235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/084,561 Expired - Lifetime USD404407S (en) | 1998-03-05 | 1998-03-05 | Eight blade drill bit |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD404407S (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060278442A1 (en) * | 2005-06-13 | 2006-12-14 | Kristensen Henry L | Drill bit |
| USD1091267S1 (en) * | 2023-06-21 | 2025-09-02 | Novotec | Food hollowing device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373593A (en) | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
| US5007493A (en) | 1990-02-23 | 1991-04-16 | Dresser Industries, Inc. | Drill bit having improved cutting element retention system |
| US5111895A (en) | 1988-03-11 | 1992-05-12 | Griffin Nigel D | Cutting elements for rotary drill bits |
| US5159857A (en) | 1991-03-01 | 1992-11-03 | Hughes Tool Company | Fixed cutter bit with improved diamond filled compacts |
| USD340248S (en) | 1991-05-23 | 1993-10-12 | Brady William J | Roof drill bit for mining |
| USD351174S (en) | 1993-07-19 | 1994-10-04 | Brady William J | Roof drill bit for mining machine |
| US5443565A (en) | 1994-07-11 | 1995-08-22 | Strange, Jr.; William S. | Drill bit with forward sweep cutting elements |
| US5549171A (en) | 1994-08-10 | 1996-08-27 | Smith International, Inc. | Drill bit with performance-improving cutting structure |
| US5551522A (en) | 1994-10-12 | 1996-09-03 | Smith International, Inc. | Drill bit having stability enhancing cutting structure |
| US5582261A (en) | 1994-08-10 | 1996-12-10 | Smith International, Inc. | Drill bit having enhanced cutting structure and stabilizing features |
| US5651421A (en) | 1994-11-01 | 1997-07-29 | Camco Drilling Group Limited | Rotary drill bits |
-
1998
- 1998-03-05 US US29/084,561 patent/USD404407S/en not_active Expired - Lifetime
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373593A (en) | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
| US5111895A (en) | 1988-03-11 | 1992-05-12 | Griffin Nigel D | Cutting elements for rotary drill bits |
| US5007493A (en) | 1990-02-23 | 1991-04-16 | Dresser Industries, Inc. | Drill bit having improved cutting element retention system |
| US5159857A (en) | 1991-03-01 | 1992-11-03 | Hughes Tool Company | Fixed cutter bit with improved diamond filled compacts |
| USD340248S (en) | 1991-05-23 | 1993-10-12 | Brady William J | Roof drill bit for mining |
| USD351174S (en) | 1993-07-19 | 1994-10-04 | Brady William J | Roof drill bit for mining machine |
| US5443565A (en) | 1994-07-11 | 1995-08-22 | Strange, Jr.; William S. | Drill bit with forward sweep cutting elements |
| US5549171A (en) | 1994-08-10 | 1996-08-27 | Smith International, Inc. | Drill bit with performance-improving cutting structure |
| US5582261A (en) | 1994-08-10 | 1996-12-10 | Smith International, Inc. | Drill bit having enhanced cutting structure and stabilizing features |
| US5551522A (en) | 1994-10-12 | 1996-09-03 | Smith International, Inc. | Drill bit having stability enhancing cutting structure |
| US5651421A (en) | 1994-11-01 | 1997-07-29 | Camco Drilling Group Limited | Rotary drill bits |
Non-Patent Citations (26)
| Title |
|---|
| Catalogue/Brochure page: "Diataq DS." Admitted prior art. |
| Catalogue/Brochure page: "Hycalog Introduces the Hybrid-Fishtail." Hycalog. Admitted prior art. |
| Catalogue/Brochure page: "Longer Bit Life and Superior Downhole Performance." Hycalog. Admitted Prior Art. |
| Catalogue/Brochure page: "PD-7 Rotary and Motor Bit; PD-11 Rotary Bit; PD-11X2 Rotary Bit." Admitted prior art. |
| Catalogue/Brochure page: "Put the Best on the Bottom." BiTech. Admitted prior art. |
| Catalogue/Brochure page: "Smith Diamond's New S-95: The Right Direction in Soft Formations." Smith International. Admitted prior art. |
| Catalogue/Brochure page: "Strata-Cut Drilling-Bits." Admitted prior art. |
| Catalogue/Brochure page: "The Fast Track to the Bottom Line," p. 8. Strata Bit. Admitted prior art. |
| Catalogue/Brochure pages: "A Strong Line of Natural Diamond and PDC Bits." Smith Diamond. Admitted prior art. |
| Catalogue/Brochure pages: "Bit Description" Admitted prior art. |
| Catalogue/Brochure pages: "Cut Drilling Costs 40 Percent or More with a Strata Bit PDC Bit Tailored to the Formation." Strata Bit. Admitted prior art. |
| Catalogue/Brochure pages: "Diamond Compact Bits (R-Series)," pp. 11-12. Eastman Christensen. Admitted prior art. |
| Catalogue/Brochure pages: "Diamond Compact Bits (R-Series)." Norton Christensen Drilling Products. Admitted prior art. |
| Catalogue/Brochure pages: "Diamond Drill Bits." Cristal Profor. Tarbes, France. Admitted prior art. |
| Catalogue/Brochure pages: "Diamond Products." Smith International, pp. 12-13. Admitted prior art. |
| Catalogue/Brochure pages: "DP6 PDC Drill Bit." Admitted prior art. |
| Catalogue/Brochure pages: "Drilling Bits." Petroleum Diamond Products. Admitted prior art. |
| Catalogue/Brochure pages: "Nortrak Navigation Drilling Systems," pp. 4-5. Nortrak. Admitted prior art. |
| Catalogue/Brochure pages: "Standard PDC Bits; Standard Ringcutter PDC Bits; Gold Series Bits." Admitted prior art. |
| Catalogue/Brochure pages: "TD 2000 Series Drill Bits; TD Drill Bits; PD Steel Body Drill Bits." Diamont Boart Stratabit. Admitted prior art. |
| Catalogue/Brochure pages: "Technical Data." Eastman Christensen. Admitted prior art. |
| Catalogue/Brochure pages: "VIII. Diamond Drilling & Coring Bits," pp. 47-48. Eastman Christensen. Admitted prior art. |
| Catalogue/Brochure pages: 6 3/4 in. DS42H, et al. Hycalog. Admitted prior art. |
| Catalogue/Brochure pages: 81/2 in Hornet 4, et al. Reed Tool Company. Admitted prior art. |
| Catalogue/Brochure pages: IADC S946, et al. Smith Diamond. Admitted prior art. |
| Catalogue/Brochure pages: Rock Digger 15, et al. Admitted prior art. |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060278442A1 (en) * | 2005-06-13 | 2006-12-14 | Kristensen Henry L | Drill bit |
| USD1091267S1 (en) * | 2023-06-21 | 2025-09-02 | Novotec | Food hollowing device |
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