US2715436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant pulse jet combustion heating device
Assignee: Swingfire Bahamas Ltd
•
Filing: 1952-08-05
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Granted: 1955-08-16
•
Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Lafferentz Bodo
- 👤 Ludwig R Huber
- 👤 Bernhard E Strittmatter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:32
CPC Classifications
F; F23; F23C; F23C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1273466A
Cited
US1861014A
Cited
US2612748A
Cited
US2605608A
Cited
GB666519A
Cited
US2621718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |