US2604593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable antenna construction
Assignee: Snyder Manufacturing Co Inc
•
Filing: 1949-04-28
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Granted: 1952-07-22
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Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Charles A Trowbridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:52
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/10; H01Q9/12; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/70; Y10T403/7001; Y10T403/7003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1232473A
Cited
US2259628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |