US2576371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically operated control device
Assignee: SIMPLYTROL PRODUCTS Co
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Filing: 1948-10-16
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Granted: 1951-11-27
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Expires: 1968-10-16
Abstract
No abstract record available.
Inventors
- 👤 Bradley R Thompson
- 👤 George E Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:05
CPC Classifications
G; G05; G05B; G05B1/00; G05B1/01; G05B1/04; G01; G01K; G01K1/00; G01K1/02; G01K1/024
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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |