US2534716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable radar reflector buoy
Assignee: Individual
•
Filing: 1945-10-08
•
Granted: 1950-12-19
•
Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Emmett L Hudspeth
- 👤 John P Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:22
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/18; H01Q15/20; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770626A
Cited
DE377636C
Cited
GB189414957A
Cited
GB191225355A
Cited
FR446227A
Cited
US1301515A
Cited
US1635915A
Cited
GB402834A
Cited
GB439608A
Cited
US2151336A
Cited
US2430568A
Cited
US2450417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |