Patent US3530345A successfully refreshed from Google Patents.
US3530345A
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System and integral structure of an angular positioning and torque output servomechanism
Assignee: Vernitron Corp
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Filing: 1967-01-23
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Granted: 1970-09-22
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Faik K Ibrahim
- 👤 Sven E Braaten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:32
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2514555A
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US2448374A
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US2885614A
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US2996650A
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US3166685A
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US3201669A
Cited
US3205421A
Cited
US3170079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |