US3491372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head gear with retractable eye shield
Assignee: Gentex Corp
•
Filing: 1967-11-13
•
Granted: 1970-01-27
•
Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jackson Anthony Aileo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:51
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/225; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2447083A
Cited
US2461604A
Cited
US2767454A
Cited
US2860343A
Cited
US2898656A
Cited
US3067426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |