US3234987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-piercing nut with attaching flange
Assignee: Stanley Works
•
Filing: 1962-05-18
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Granted: 1966-02-15
•
Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Joffre R Hentzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/068; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/967; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A NUT ADAPTED TO BE SECURED TO SHEET MATERIAL COMPRISING A BODY FORMED OF A HARD DEFORMABLE SUBSTANCE AND HAVING A HOLLOW CENTER POST PROVIDING A THREADED BORE FOR RECEIVING A BOLT, SAID CENTER POST HAVING AN OUTER SIDE SURFACE AND AN END SURFACE THEREOF INTERSECTING AT SUBSTANTIALLY RIGHT ANGLES TO DEFINE A PIERCING EDGE, AND OUTER FLANGE SPACED FROM AND SURROUNDING THE CENTER POST DEFINING A RECESS THEREBETWEEN, SAID CENTER POST AND SAID FLANGE BEING GENEALLY CONCENTRIC AND EXRENDING IN THE SAME DIRECTION FROM SAID BODY, SAID FLANGE TERMINATING AT ITS FREE END IN A FACE TAPERED UPWARDLY ACROSS THE ENTIRE THICKNESS THEREOF SO THAT THE INNER EDGE OF SAID FLANGE PROJECTS FURTHER IN THE DIRECTION OF SAID END OF THE BODY THAN DOES THE OUTER EDGE OF SAID FLANGE AND HAVING A PLURALITY OF SPACED PROJECTIONS AT THE INNER EDGE OF SAID FREE END EXTENDING TOWARD THE RECESS.
Claim 2
Dependent Claim
150 words
A NUT ADAPTED TO BE SECURED TO SHEET MATERIAL COMPRISING A BODY FORMED OF A HARD DEFORMABLE SUBSTANCE AND HAVING A HOLLOW CENTER POST PROVIDING A THREADED BORE FOR RECEIVING A BOLT, SAID CENTER POST HAVING AN OUTER SIDE SURFACE AND AN END SURFACE THEREOF INTERSECTING AT SUBSTANTIALLY RIGHT ANGLES TO DEFINE A PIERCING EDGE, AND OUTER FLANGE SPACED FROM AND SURROUNDING THE CENTER POST DEFINING A RECESS THEREBETWEEN, SAID CENTER POST AND SAID FLANGE BEING GENEALLY CONCENTRIC AND EXRENDING IN THE SAME DIRECTION FROM SAID BODY, SAID FLANGE TERMINATING AT ITS FREE END IN A FACE TAPERED UPWARDLY ACROSS THE ENTIRE THICKNESS THEREOF SO THAT THE INNER EDGE OF SAID FLANGE PROJECTS FURTHER IN THE DIRECTION OF SAID END OF THE BODY THAN DOES THE OUTER EDGE OF SAID FLANGE AND HAVING A PLURALITY OF SPACED PROJECTIONS AT THE INNER EDGE OF SAID FREE END EXTENDING TOWARD THE RECESS.
References Cited (Backward Citations)
US521825A
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US1502399A
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GB370948A
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US2018683A
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US2444145A
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US2782827A
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US2772472A
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US2859445A
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US3000420A
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US2944262A
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US3137336A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |