US2427008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna mast base
Assignee: Individual
•
Filing: 1944-02-11
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Granted: 1947-09-09
•
Expires: 1964-02-11
Abstract
No abstract record available.
Inventors
- 👤 Lee Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/20; F; F16; F16B; F16B2200/00; F16B2200/40; F16B2200/403; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20006; Y10T74/20012; Y10T74/20201; Y10T74/20396; Y10T74/20402; Y10T74/2045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB301865A
Cited
US1910226A
Cited
GB347394A
Cited
US1930926A
Cited
US2012842A
Cited
GB455291A
Cited
US2311427A
Cited
US2346426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |