Patent US6004137A successfully refreshed from Google Patents.
Patent US3008136A successfully refreshed from Google Patents.
US3008136A
Expired / Lapsed
US
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Servo mechanism
Assignee: Unisys Corp
•
Filing: 1943-08-16
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Granted: 1961-11-07
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Expires: 1963-08-16
Abstract
No abstract record available.
Inventors
- 👤 Rawley D Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:11
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508796A
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US1942587A
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US1954142A
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US2145010A
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US2175009A
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US2297719A
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US2264333A
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US2409448A
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US2412612A
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US2416562A
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US2354364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |