US2551664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television antenna
Assignee: Individual
•
Filing: 1949-11-29
•
Granted: 1951-05-08
•
Expires: 1969-11-29
Abstract
No abstract record available.
Inventors
- 👤 Galper Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:37
CPC Classifications
H; H01; H01Q; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/342; H01Q5/357; H01Q5/364; H01Q5/371; H01Q5/40; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q9/265; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12431; Y10T428/15; Y10T428/21; Y10T428/218; Y10T428/24; Y10T428/24273; Y10T428/24777
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |