Patent US1011494A successfully refreshed from Google Patents.
US1011494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilator.
Assignee: Individual
•
Filing: 1910-07-16
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Granted: 1911-12-12
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Expires: 1930-07-16
Abstract
No abstract record available.
Inventors
- 👤 Ervin Rosenheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:39
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/009
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) | 1914-12-11 | 1915-06-12 | 1915-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-12-11 | 1919-06-12 | 1919-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-12-11 | 1923-06-12 | 1923-12-12 | $7700.00 | Window Closed / Lapsed |