US2465377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-sensing control means with gas-discharge device
Assignee: BANQUE POUR ENTPR S ELECTR
•
Filing: 1942-06-03
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Granted: 1949-03-29
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Expires: 1962-06-03
Abstract
No abstract record available.
Inventors
- 👤 Walter C Jaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/10; G08B17/11; G08B17/113; G01; G01N; G01N27/00; G01N27/62; G01N27/64; G01N27/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304208A
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US1632074A
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DE720180C
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US2278248A
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US2383600A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |