US2482238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner with thermocouple
Assignee: Consolidated Gas Electric Light and Power Company of Baltimore
•
Filing: 1940-10-14
•
Granted: 1949-09-20
•
Expires: 1960-10-14
Abstract
No abstract record available.
Inventors
- 👤 Paul L Betz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
F; F23; F23Q; F23Q9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US869668A
Cited
US1054442A
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GB452315A
Cited
US2015610A
Cited
US2181843A
Cited
US2132057A
Cited
US2187834A
Cited
GB485539A
Cited
US2198896A
Cited
US2340899A
Cited
US2335471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |