US3170473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Captive bolt
Assignee: Individual
•
Filing: 1962-09-12
•
Granted: 1965-02-23
•
Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Downs
- 👤 Casse Philias F La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/002; F16B2200/00; F16B2200/40; F16B2200/403; Y; Y10; Y10S; Y10S411/00; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608892A
Cited
US1832362A
Cited
US1870112A
Cited
FR756524A
Cited
US2853114A
Cited
US2919736A
Cited
US2853078A
Cited
US2921616A
Cited
US2929474A
Cited
US2988855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |