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US2901740A
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Electrical network automatically responsive to a change in condition
Assignee: Specialties Development Corp
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Filing: 1956-11-23
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Granted: 1959-08-25
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 George A Cutsogeorge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:06
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; F; F23; F23N; F23N5/00; F23N5/02; F23N5/14; F23N5/143; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1909; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217797A
Cited
US2686293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |