US2933006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt head having stress free protective rubber covering
Assignee: Cameron Solutions Inc
•
Filing: 1955-12-22
•
Granted: 1960-04-19
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 John F Gibb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B35/048; F16B37/00; F16B37/14; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1886721A
Cited
US2016610A
Cited
US2326455A
Cited
US2439244A
Cited
US2523239A
Cited
GB673953A
Cited
US2726009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |