US2453378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-cooled nozzle arrangement for combustion chambers of jet propulsion apparatus
Assignee: Asiatic Petroleum Co Ltd
•
Filing: 1943-07-07
•
Granted: 1948-11-09
•
Expires: 1963-07-07
Abstract
No abstract record available.
Inventors
- 👤 Lubbock Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:50
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52; F23; F23D; F23D11/00; F23D11/36; F23D11/38; F23D11/383; F05; F05D; F05D2260/00; F05D2260/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1814192A
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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) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |