US2954792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning device for breathing apparatus
Assignee: AGA AG
•
Filing: 1959-01-23
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Granted: 1960-10-04
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Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Hagger Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:34
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/006; F; F16; F16K; F16K15/00; F16K15/18; F16K15/182; F16K17/00; F16K17/02; F16K17/04; F16K17/0446; F16K17/046; F16K2200/00; F16K2200/30; F16K2200/304; F16K2200/40; F16K2200/402; Y; Y10; Y10S; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7849; Y10T137/7876; Y10T137/7877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831500A
Cited
US2861569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |