US2876785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial respiration apparatus
Assignee: CONITECH Ltd
•
Filing: 1953-10-30
•
Granted: 1959-03-10
•
Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Huxley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
A; A61; A61M; A61M16/00; A61H; A61H31/00; A61H31/02; A61M16/08; A61M16/0816; A61M16/0841; A61M16/0858; Y; Y10; Y10S; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/3331; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US514448A
Cited
US112192A
Cited
US1210149A
Cited
US1560272A
Cited
US2102848A
Cited
FR759867A
Cited
US2159056A
Cited
US2292373A
Cited
US2259984A
Cited
US2307427A
Cited
US2408136A
Cited
US2376348A
Cited
US2646816A
Cited
US2646064A
Cited
US2475635A
Cited
US2428451A
Cited
US2427419A
Cited
US2512116A
Cited
GB652478A
Cited
US2581893A
Cited
US2646815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |