Patent US2619068A successfully refreshed from Google Patents.
Patent US2071215A successfully refreshed from Google Patents.
US2071215A
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Artificial respiration apparatus
Assignee: Individual
•
Filing: 1935-09-14
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Granted: 1937-02-16
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Expires: 1955-09-14
Abstract
No abstract record available.
Inventors
- 👤 Petersen Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/008; A61H31/004; A61H31/006; A61H2031/003; Y; Y10; Y10S; Y10S128/00; Y10S128/10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/8376; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
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) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |