US1952733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor
Assignee: Individual
•
Filing: 1928-07-17
•
Granted: 1934-03-27
•
Expires: 1948-07-17
Abstract
No abstract record available.
Inventors
- 👤 John E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:24
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/28; F22B1/284; A; A47; A47J; A47J31/00; A47J31/04; A47J31/043; A47J31/18; A47J31/40; A47J31/401; F01; F01K; F01K15/00; F01K21/00; F22B1/22
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) | 1937-03-26 | 1937-09-25 | 1938-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-26 | 1941-09-25 | 1942-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-26 | 1945-09-25 | 1946-03-27 | $7700.00 | Window Closed / Lapsed |