US3053162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary pressure monitor for cabin pressurization systems
Assignee: Kollsman Instrument Corp
•
Filing: 1958-03-26
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Granted: 1962-09-11
•
Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:06
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2754745A
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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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |