US2769488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel control means
Assignee: ZF International UK Ltd
•
Filing: 1952-07-22
•
Granted: 1956-11-06
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harris Thomas Alfred
- 👤 Lawrence Owen Napier
- 👤 Warne Eugene Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:51
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C9/00; F02C9/26; F02C9/32; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/86002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR959467A
Cited
US2405888A
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US2658566A
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US2594689A
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US2524444A
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US2564127A
Cited
US2559938A
Cited
US2573724A
Cited
US2636553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |