US2793365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helmets
Assignee: Individual
•
Filing: 1953-02-20
•
Granted: 1957-05-28
•
Expires: 1973-02-20
Abstract
No abstract record available.
Inventors
- 👤 Jacob L Kleinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200130A
Cited
US1269986A
Cited
US1461798A
Cited
US1698769A
Cited
US2105607A
Cited
US2150290A
Cited
US2293308A
Cited
US2250275A
Cited
US2281152A
Cited
US2629095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |