US3176747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing nut assembly
Assignee: Mathewson Corp
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Filing: 1953-07-27
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Granted: 1965-04-06
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Expires: 1973-07-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Nenzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:51
CPC Classifications
F; F16; F16B; F16B37/00; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SELF-SEALING DOME NUT ASSEMBLY COMPRISING: A DOMED ANCHOR SHELL HAVING AN INNER SUPPORTING BASE AND AN OUTER NUT-RECEIVING SOCKET; MEANS ON SAID BASE FOR SECURING SAID BASE TO A STRUCTURAL ELEMENT; A NUT FITTED WITHIN SAID SOCKET; A RIGID ANNULAR RETAINER BODY IN SAID SHELL AND OF A SIZE TO BEAR AGAINST THE INNER END OF SAID NUT WITHIN SAID SOCKET, SAID BODY BEING POSITIONED FOR DIRECT ENGAGEMENT WITH THE SURFACE OF A STRUCTURE ON WHICH SAID BASE IS SEATED; AND A DEFORMABLE PACKING MEMBER FITTED AROUND THE OUTER PERIPHERY OF SAID BODY AND SHAPED TO
Claim 2
Dependent Claim
97 words
A SELF-SEALING DOME NUT ASSEMBLY COMPRISING: A DOMED ANCHOR SHELL HAVING AN INNER SUPPORTING BASE AND AN OUTER NUT-RECEIVING SOCKET; MEANS ON SAID BASE FOR SECURING SAID BASE TO A STRUCTURAL ELEMENT; A NUT FITTED WITHIN SAID SOCKET; A RIGID ANNULAR RETAINER BODY IN SAID SHELL AND OF A SIZE TO BEAR AGAINST THE INNER END OF SAID NUT WITHIN SAID SOCKET, SAID BODY BEING POSITIONED FOR DIRECT ENGAGEMENT WITH THE SURFACE OF A STRUCTURE ON WHICH SAID BASE IS SEATED; AND A DEFORMABLE PACKING MEMBER FITTED AROUND THE OUTER PERIPHERY OF SAID BODY AND SHAPED TO
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |