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Patent US3534765A successfully refreshed from Google Patents.
US3534765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas regulator
Assignee: National Aeronautics and Space Administration
•
Filing: 1968-07-18
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Granted: 1970-10-20
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Expires: 1988-07-18
Abstract
No abstract record available.
Inventors
- 👤 Harry J King
- 👤 Seiji Kami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:50
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/40; B64G1/402; F; F16; F16K; F16K17/00; F16K17/40; G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |