US2873373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-range radio-frequency tuner
Assignee: Aladdin Industries LLC
•
Filing: 1953-04-29
•
Granted: 1959-02-10
•
Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Harold T Lyman
- 👤 Milton M Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:40
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06; H01F21/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2705288A
Cited
GB439147A
Cited
US2458071A
Cited
US2531231A
Cited
US2469168A
Cited
US2641708A
Cited
US2717313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |