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US2980837A
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US
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Position and stress controlling servosystem
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1959-04-28
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Granted: 1961-04-18
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Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Henry H Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:44
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/02; G01N3/06; G01N3/066; G01N2203/00; G01N2203/0058; G01N2203/0069; G01N2203/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2476496A
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US2486567A
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US2632872A
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US2814768A
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US2871432A
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US2827604A
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US2896141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |