US2752575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rejection filter
Assignee: Collins Radio Co
•
Filing: 1953-03-04
•
Granted: 1956-06-26
•
Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Fletcher J Maclary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:55
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/17; H03H7/1741; H03H7/175; H03H7/06; H03H7/1708; H03H2007/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890034A
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US1984450A
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US1869459A
Cited
US2151814A
Cited
US2189304A
Cited
US2217839A
Cited
US2336498A
Cited
US2281661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |