Patent US1557083A successfully refreshed from Google Patents.
Patent US2567577A successfully refreshed from Google Patents.
US2567577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television antenna
Assignee: Individual
•
Filing: 1949-03-18
•
Granted: 1951-09-11
•
Expires: 1969-03-18
Abstract
No abstract record available.
Inventors
- 👤 Pariser Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:58
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1228; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7152; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US265716A
Cited
US402132A
Cited
US523506A
Cited
US873625A
Cited
US2463124A
Cited
US2471256A
Cited
US2465331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |