US1801086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power plant
Assignee: Fairbanks Morse and Co
•
Filing: 1929-03-07
•
Granted: 1931-04-14
•
Expires: 1949-03-07
Abstract
No abstract record available.
Inventors
- 👤 Charles B Jahnke
- 👤 Alfred C Boock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/22; B; B23; B23P; B23P11/00; B23P11/005; F01P2003/2214; F01P2003/2221; F02; F02B; F02B63/00; F02B63/04; F02B63/044; F02B2063/045
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) | 1934-04-13 | 1934-10-13 | 1935-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-13 | 1938-10-13 | 1939-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-13 | 1942-10-13 | 1943-04-14 | $7700.00 | Window Closed / Lapsed |