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Patent US3143911A successfully refreshed from Google Patents.
US3143911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary nibbler
Assignee: Boeing Co
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Filing: 1961-07-28
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Granted: 1964-08-11
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Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Frank K Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:14
CPC Classifications
B; B23; B23D; B23D27/00; Y; Y10; Y10S; Y10S83/00; Y10S83/916; Y10T; Y10T407/00; Y10T407/16; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408; Y10T83/00; Y10T83/485; Y10T83/869; Y10T83/8789; Y10T83/8794; Y10T83/8795
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A ROTARY NIBBLER OPERATIVE TO SHAPE METAL SHEETS AND PARTS, COMPRISING: AN ELONGATED NIBBLER BODY; SUPPORT MEANS ROTATABLY SUPPORTING SAID BODY AT LEAST AT ONE END; A STATIONARY BUSHING SUPPORTED AND SECURED IN POSITION BY SAID SUPPORT MEANS AND RECEIVING A PORTION OF SAID NIBBLER BODY; SAID BUSHING HAVING A FLAT WORK RECEIVING FACE DISPOSED IN A PLANE SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID NIBBLER BODY FORMING A SURFACE FOR SUPPORTING SUCH METAL SHEETS AND PARTS AS THEY ARE FED TO SAID NIBBLER BODY; SAID BUSHING HAVING A SHARPENED CUTTING INTERIOR EDGE BORDERING SAID WORK RECEIVING FACE; SAID NIBBLER BODY HAVING A PORTION THEREOF FORMED WITH A HELICAL THREAD GENERALLY LIKE A SINGLE BUTTRESS THREAD, FORMING LAND SURFACES SEPARATED BY SPIRAL FLUTES;
Claim 2
Dependent Claim
125 words
A ROTARY NIBBLER OPERATIVE TO SHAPE METAL SHEETS AND PARTS, COMPRISING: AN ELONGATED NIBBLER BODY; SUPPORT MEANS ROTATABLY SUPPORTING SAID BODY AT LEAST AT ONE END; A STATIONARY BUSHING SUPPORTED AND SECURED IN POSITION BY SAID SUPPORT MEANS AND RECEIVING A PORTION OF SAID NIBBLER BODY; SAID BUSHING HAVING A FLAT WORK RECEIVING FACE DISPOSED IN A PLANE SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID NIBBLER BODY FORMING A SURFACE FOR SUPPORTING SUCH METAL SHEETS AND PARTS AS THEY ARE FED TO SAID NIBBLER BODY; SAID BUSHING HAVING A SHARPENED CUTTING INTERIOR EDGE BORDERING SAID WORK RECEIVING FACE; SAID NIBBLER BODY HAVING A PORTION THEREOF FORMED WITH A HELICAL THREAD GENERALLY LIKE A SINGLE BUTTRESS THREAD, FORMING LAND SURFACES SEPARATED BY SPIRAL FLUTES;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |