US3535563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical frequency responsive device with armature supported on torsion band
Assignee: Motorola Solutions Inc
•
Filing: 1969-04-01
•
Granted: 1970-10-20
•
Expires: 1989-04-01
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mooney
- 👤 Alfred S Holzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:30
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3360704A
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US3448304A
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NL6709050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |