US3270610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed hollow fastener members
Assignee: United Carr Inc
•
Filing: 1963-08-20
•
Granted: 1966-09-06
•
Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Edward A Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:27
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/004; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49863; Y10T29/49865; Y10T29/49947; Y10T29/49963; Y10T29/49966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3041229A
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US2027962A
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US2421105A
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US2506477A
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US2697873A
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US2826222A
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US3170967A
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US3121129A
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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) | 1969-09-05 | 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 |