US2744715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supports
Assignee: Individual
•
Filing: 1952-10-06
•
Granted: 1956-05-08
•
Expires: 1972-10-06
Abstract
No abstract record available.
Inventors
- 👤 Charat Hanoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
CPC Classifications
F; F01; F01P; F01P11/00; Y; Y10; Y10S; Y10S220/00; Y10S220/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222094A
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US951584A
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US1471071A
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US1518467A
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US1560029A
Cited
US1683904A
Cited
US1788337A
Cited
US2109522A
Cited
US2362523A
Cited
US2523180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |