US1673514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic motor
Assignee: Individual
•
Filing: 1923-01-05
•
Granted: 1928-06-12
•
Expires: 1943-01-05
Abstract
No abstract record available.
Inventors
- 👤 John O Jernberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/0641; F01B1/0644; F01B1/0648; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435
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) | 1931-06-12 | 1931-12-12 | 1932-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-06-12 | 1935-12-12 | 1936-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-06-12 | 1939-12-12 | 1940-06-12 | $7700.00 | Window Closed / Lapsed |