US3521204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronically tuned pushbutton radio having station selecting comparison means
Assignee: Motorola Solutions Inc
•
Filing: 1969-01-03
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Granted: 1970-07-21
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Expires: 1989-01-03
Abstract
No abstract record available.
Inventors
- 👤 Ole K Nilssen
- 👤 Kamil Y Jabbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:36
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |