US1345955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine, compressor, and exhauster
Assignee: Individual
•
Filing: 1919-12-08
•
Granted: 1920-07-06
•
Expires: 1939-12-08
Abstract
No abstract record available.
Inventors
- 👤 Reavell William
- 👤 Haerle Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:00
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C18/348
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) | 1923-07-06 | 1924-01-05 | 1924-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-06 | 1928-01-05 | 1928-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-06 | 1932-01-05 | 1932-07-06 | $7700.00 | Window Closed / Lapsed |