US2014371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold
Assignee: Individual
•
Filing: 1932-04-05
•
Granted: 1935-09-17
•
Expires: 1952-04-05
Abstract
No abstract record available.
Inventors
- 👤 George A Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:07
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10242; F02M35/10295; F02M35/10006; F02M35/10078; F02M35/1015; F02M35/10203; F02M35/10308; F02M35/104; F02M35/112; F02M63/00; F02M2700/00; F02M2700/05; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1938-09-16 | 1939-03-18 | 1939-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-16 | 1943-03-18 | 1943-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-16 | 1947-03-18 | 1947-09-17 | $7700.00 | Window Closed / Lapsed |