US3412699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feeding apparatus
Assignee: Babcock and Wilcox Co
•
Filing: 1966-03-22
•
Granted: 1968-11-26
•
Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel K Culp
- 👤 Robert R Piepho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:58
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0605; F; F23; F23N; F23N5/00; F23N5/24; G01; G01F; G01F13/00; G01F13/001; G01F13/003; G01G; G01G11/00; G01G11/08; G01G9/00; G01G9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623698A
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US2679979A
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US2955206A
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US3007424A
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US2962150A
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US3064357A
Cited
US3148971A
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US3236358A
Cited
US3222964A
Cited
US3255975A
Cited
US3278747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |