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US1210149A
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US
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Apparatus for artificial respiration.
Assignee: Individual
•
Filing: 1912-12-26
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Granted: 1916-12-26
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Expires: 1932-12-26
Abstract
No abstract record available.
Inventors
- 👤 Walter G Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:04
CPC Classifications
F; F04; F04B; F04B25/00
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) | 1919-12-26 | 1920-06-26 | 1920-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-12-26 | 1924-06-26 | 1924-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-12-26 | 1928-06-26 | 1928-12-26 | $7700.00 | Window Closed / Lapsed |