US2746529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant combustion device for heating engines and similar structures
Assignee: Stewart Warner Corp
•
Filing: 1950-11-17
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Granted: 1956-05-22
•
Expires: 1970-11-17
Abstract
No abstract record available.
Inventors
- 👤 Wunibald I E Kamm
- 👤 Krautter Willy
- 👤 Staiger Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:37
CPC Classifications
F; F23; F23C; F23C15/00; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2464165A
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US2363168A
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US2612748A
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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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |