Patent US2241385A successfully refreshed from Google Patents.
US3413656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmets
Assignee: Individual
•
Filing: 1965-06-30
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Granted: 1968-12-03
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Vogliano German
- 👤 Beckmann Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:30
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14; Y; Y10; Y10S; Y10S2/00; Y10S2/908; Y10S2/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |