US2642082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supplemental fuel feed device
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1949-05-27
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Granted: 1953-06-16
•
Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 David E Anderson
- 👤 Richard A Kolonick
- 👤 Raymor Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:19
CPC Classifications
F; F02; F02M; F02M25/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US955222A
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US1576109A
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US1781356A
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US1946284A
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US2133207A
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US2441301A
Cited
US2513773A
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US2513774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |