US2871484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Close-fitting helmet
Assignee: Individual
•
Filing: 1956-03-14
•
Granted: 1959-02-03
•
Expires: 1976-03-14
Abstract
No abstract record available.
Inventors
- 👤 Walter S Finken
- 👤 Jackson A Aileo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1618297A
Cited
US1755293A
Cited
FR682644A
Cited
US1996078A
Cited
US2199395A
Cited
US2409055A
Cited
US2556576A
Cited
US2710972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |