US2745598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan
Assignee: Individual
•
Filing: 1953-06-15
•
Granted: 1956-05-15
•
Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Martinez Antonio Conesa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:16
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA488502A
Cited
US710465A
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US1108053A
Cited
FR524790A
Cited
US1384053A
Cited
US1461768A
Cited
US1473045A
Cited
GB476291A
Cited
US2245015A
Cited
GB633956A
Cited
US2595406A
Cited
US2582572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |