US3201771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireman's helmet
Assignee: Individual
•
Filing: 1961-12-08
•
Granted: 1965-08-17
•
Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
- 👤 John J Proulx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:06
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/0406; A42B3/0433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1175432A
Cited
US1584276A
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US2489293A
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US2818511A
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US2754497A
Cited
US2813265A
Cited
US2839741A
Cited
US2911637A
Cited
US3015803A
Cited
US2978696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |