US2774652A
Expired / Lapsed
US
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Halogen vapor detector
Assignee: General Electric Co
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Filing: 1951-09-22
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Granted: 1956-12-18
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Expires: 1971-09-22
Abstract
No abstract record available.
Inventors
- 👤 Vonnegut Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:39
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/065; Y; Y10; Y10S; Y10S436/00; Y10S436/909; Y10T; Y10T436/00; Y10T436/19
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |