US3511294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency tire inflation system
Assignee: Lockheed Martin Corp
•
Filing: 1967-12-18
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Granted: 1970-05-12
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Bepristis
- 👤 Irvin Trowbridge Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:28
CPC Classifications
B; B60; B60C; B60C17/00; B29; B29C; B29C73/00; B29C73/16; B29C73/166; B29C73/22; B60B; B60B21/00; B60B21/12; B60C23/00; B60C23/16; B29L; B29L2030/00
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |