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US3523301A
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Passive and active tubular pressurization suit
Assignee: JEFFERSON C DAVIS
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Filing: 1968-10-04
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Granted: 1970-08-11
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Expires: 1988-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jefferson C Davis
- 👤 Henry B Whitmore
- 👤 Leonard Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:09
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/04; B63C11/08; A; A62; A62B; A62B17/00; B64; B64D; B64D10/00; F; F16; F16S; F16S1/00; B64D2010/002
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |