Patent US2943841A successfully refreshed from Google Patents.
US2943841A
Expired / Lapsed
US
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Storage tank for liquid circulating system
Assignee: United Aircraft Products Inc
•
Filing: 1958-05-06
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Granted: 1960-07-05
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Expires: 1978-05-06
Abstract
No abstract record available.
Inventors
- 👤 Paul R Hughes
- 👤 Jr Walter C Klank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:09
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/04; Y; Y10; Y10S; Y10S165/00; Y10S165/342; Y10S165/348; Y10S165/349; Y10T; Y10T137/00; Y10T137/7287; Y10T137/731
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733050A
Cited
US1847608A
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US2117337A
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US2584877A
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US2435359A
Cited
FR1010282A
Cited
US2767732A
Cited
US2840068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |