Patent US2977991A successfully refreshed from Google Patents.
US2977991A
Expired / Lapsed
US
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Controller
Assignee: Honeywell Inc
•
Filing: 1958-01-27
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Granted: 1961-04-04
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 William E Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/06; G01L19/0618; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/38; G01L13/00; G01L13/02; G01L13/025; G05; G05D; G05D16/00; G05D16/04; G05D16/0402; G05D7/00; G05D7/01; G05D7/0106
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |