US3473166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helmets
Assignee: ML Aviation Ltd
•
Filing: 1968-01-29
•
Granted: 1969-10-21
•
Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Marcel Jules Odilon Lobelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/221; A42B3/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123831A
Cited
US3050735A
Cited
US3001199A
Cited
US3239843A
Cited
US3383706A
Cited
US3345642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |