US3373443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination helmet and face mask
Assignee: Individual
•
Filing: 1966-02-24
•
Granted: 1968-03-19
•
Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Michael T Marietta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:54
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761257A
Cited
US1112358A
Cited
US2535434A
Cited
US2881442A
Cited
US2867813A
Cited
US3204251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |