US3030627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-duty helmet
Assignee: Individual
•
Filing: 1958-09-30
•
Granted: 1962-04-24
•
Expires: 1978-09-30
Abstract
No abstract record available.
Inventors
- 👤 Rehman Irving
- 👤 Dale C Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:44
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/228; A42B3/16; A42B3/166; A42B3/30; B; B64; B64D; B64D10/00; H; H04; H04R; H04R1/00; H04R1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1546567A
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US2036224A
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US1912551A
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US2301050A
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US2445203A
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US2649019A
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US2526586A
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US2544457A
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US2801419A
Cited
US2805419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |