US2829277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor power plant with novel auxiliary flame igniter
Assignee: Combustion Engineering Inc
•
Filing: 1954-02-26
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Granted: 1958-04-01
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Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Cowan Frederick
- 👤 Joseph A Lacerenza
- 👤 Harvey C Mittendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:07
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/02; F23; F23Q; F23Q13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2681418A
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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) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |