US2566734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel combustion system
Assignee: ZF International UK Ltd
•
Filing: 1947-11-13
•
Granted: 1951-09-04
•
Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Owen Napier
- 👤 Warne Eugene Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:21
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/2559; Y10T137/265; Y10T137/2663; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163; Y10T137/877; Y10T137/87893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127172A
Cited
DE348108C
Cited
US1628424A
Cited
US2263913A
Cited
US2334679A
Cited
US2290350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |