US2710055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectrically operated safety devices
Assignee: Consolidated Gas Electric Light and Power Company of Baltimore
•
Filing: 1951-11-13
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Granted: 1955-06-07
•
Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Paul L Betz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:16
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/72; F23D14/725; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271506A
Cited
US2132057A
Cited
GB485539A
Cited
US2198896A
Cited
US2267742A
Cited
US2482238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |