US3478769A
Expired / Lapsed
US
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Automatic control system for decompression chamber
Assignee: United States Department of the Navy
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Filing: 1967-11-29
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Granted: 1969-11-18
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Pierce H Zavod
- 👤 John L Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/2026; G05D16/2046; A; A61; A61G; A61G10/00; A61G10/02; A61G10/023; A61G10/026; B; B63; B63C; B63C11/00; B63C11/02; B63C11/32; B63C11/325; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2663; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/87265
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |