Patent US3518168A successfully refreshed from Google Patents.
Patent US3369440A successfully refreshed from Google Patents.
US3369440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight fastener
Assignee: Individual
•
Filing: 1966-02-07
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Granted: 1968-02-20
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr John O King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:50
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B19/00; F16B19/04; F16B19/05; F16B19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1603195A
Cited
GB351850A
Cited
US2092372A
Cited
US2120061A
Cited
US2353110A
Cited
US2774098A
Cited
GB790051A
Cited
US3034611A
Cited
US3095776A
Cited
US3270410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |