US3528414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic analogue breathing system for multicell pressure suits
Assignee: United States Department of the Air Force
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Filing: 1968-05-15
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Granted: 1970-09-15
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Expires: 1988-05-15
Abstract
No abstract record available.
Inventors
- 👤 Otto Schueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078; A61H31/00; A61H31/004; A61H31/006; A61M; A61M16/00; A61M16/06; A61M16/0605; A61M16/0627; A61H2201/00; A61H2201/01; A61H2201/0103; A61H2201/12; A61H2201/1238; A61M16/10; A61M16/1005; A61M16/1015
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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |