US2270514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna construction
Assignee: Motors Liquidation Co
•
Filing: 1939-12-07
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Granted: 1942-01-20
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Expires: 1959-12-07
Abstract
No abstract record available.
Inventors
- 👤 Harry C Doane
- 👤 Levi R Grandy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:51
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/084; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44684; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T74/00; Y10T74/20; Y10T74/20006
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) | 1945-01-19 | 1945-07-21 | 1946-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-19 | 1949-07-21 | 1950-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-19 | 1953-07-21 | 1954-01-20 | $7700.00 | Window Closed / Lapsed |