US2129094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of control for burners
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1935-12-09
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Granted: 1938-09-06
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Expires: 1955-12-09
Abstract
No abstract record available.
Inventors
- 👤 Harry E Lake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:00
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-09-05 | 1942-03-07 | 1942-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-05 | 1946-03-07 | 1946-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-05 | 1950-03-07 | 1950-09-06 | $7700.00 | Window Closed / Lapsed |