US2499011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna mast supporting bracket
Assignee: Individual
•
Filing: 1947-02-21
•
Granted: 1950-02-28
•
Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Robert W Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:13
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/20; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US76145A
Cited
US1288153A
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US1006598A
Cited
US1395308A
Cited
US1498539A
Cited
US1653083A
Cited
US1698813A
Cited
US1787150A
Cited
GB392545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |