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US3143911A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary nibbler

Assignee: Boeing Co
•
Filing: 1961-07-28
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Granted: 1964-08-11
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Expires: 1981-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Frank K Dickerson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:57
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)

US1675067A Cited
US2468613A Cited
US2610685A Cited

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

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