US3271058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapered fastener
Assignee: Anderson Greenwood and Co
•
Filing: 1963-05-22
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Granted: 1966-09-06
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ben M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:29
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/05; F16B5/00; F16B5/02; F16B3/00; F16B3/06; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/969; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A FASTENER COMPRISING: A HOLLOW SLEEVE HAVING AN OUTER SURFACE SHAPED TO CONFORM GENERALLY TO AN OPENING THROUGH WORKPIECES TO BE JOINED; THE INTERIOR OF SAID SLEEVE TAPERING UNIFORMLY FROM ONE END TO THE OTHER; A DRAW PIN MEMBER HAVING A SHANK WITH AN EXTERNAL SURFACE TAPERED COMPLEMENTARY TO THE TAPERED INTERIOR OF SAID SLEEVE; A HEAD ON THE LARGE END OF SAID SHANK, HAVING A GENERALLY TRANSVERSE BEARING SURFACE ADJACENT SAID SHANK; AND A RECESS IN SAID HEAD CIRCUMSCRIBING SAID SHANK AND OF A SIZE AND SHAPE TO RECEIVE THE SAID ONE END OF SAID SLEEVE.
Claim 2
Dependent Claim
97 words
A FASTENER COMPRISING: A HOLLOW SLEEVE HAVING AN OUTER SURFACE SHAPED TO CONFORM GENERALLY TO AN OPENING THROUGH WORKPIECES TO BE JOINED; THE INTERIOR OF SAID SLEEVE TAPERING UNIFORMLY FROM ONE END TO THE OTHER; A DRAW PIN MEMBER HAVING A SHANK WITH AN EXTERNAL SURFACE TAPERED COMPLEMENTARY TO THE TAPERED INTERIOR OF SAID SLEEVE; A HEAD ON THE LARGE END OF SAID SHANK, HAVING A GENERALLY TRANSVERSE BEARING SURFACE ADJACENT SAID SHANK; AND A RECESS IN SAID HEAD CIRCUMSCRIBING SAID SHANK AND OF A SIZE AND SHAPE TO RECEIVE THE SAID ONE END OF SAID SLEEVE.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |