US2842765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television antenna
Assignee: Individual
•
Filing: 1951-05-24
•
Granted: 1958-07-08
•
Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Frank R Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:00
CPC Classifications
H; H01; H01Q; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/342; H01Q5/357; H01Q5/364; H01Q5/371; H01Q5/40; H01Q7/00; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q9/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443508A
Cited
US524282A
Cited
US2479337A
Cited
US2467991A
Cited
US2644888A
Cited
US2567577A
Cited
US2551664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |