US2945459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsating combustion method and apparatus
Assignee: Babcock and Wilcox Co
•
Filing: 1954-05-07
•
Granted: 1960-07-19
•
Expires: 1974-05-07
Abstract
No abstract record available.
Inventors
- 👤 Junkermann Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:13
CPC Classifications
F; F23; F23C; F23C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US97761A
Cited
US1183708A
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US1912243A
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GB297835A
Cited
US2594312A
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US2532554A
Cited
US2480626A
Cited
US2683961A
Cited
US2722180A
Cited
GB698369A
Cited
US2746529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |