US3465752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the control of pressure respirator
Assignee: CHIRANA Z ZDRAVOTNICKEJ TECHNI
•
Filing: 1966-09-23
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Granted: 1969-09-09
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ondrej Brychta
- 👤 Josef Tlucko
- 👤 Ondrej Kolik
- 👤 Miroslav Capla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
F; F15; F15B; F15B13/00; A; A61; A61M; A61M16/00; A61M16/0003; A61M16/0009; A61M16/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23496E
Cited
US2376348A
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US2897833A
Cited
US3071131A
Cited
US3073298A
Cited
US3319627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |