US3499681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Human restraint system
Assignee: Hardman Aerospace
•
Filing: 1967-04-20
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Granted: 1970-03-10
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Expires: 1987-04-20
Abstract
No abstract record available.
Inventors
- 👤 Mamerto Benitez Jr
- 👤 Douglas O'neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/18; B60R22/26; B60R22/12; B60R22/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2819095A
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US3052236A
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US3099261A
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US3095875A
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US3241881A
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US3292616A
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US3329464A
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US3321247A
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US3407807A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |