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Patent US2814252A successfully refreshed from Google Patents.
US2814252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulator
Assignee: Bendix Aviation Corp
•
Filing: 1952-12-31
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Granted: 1957-11-26
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Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Emil A Volk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:11
CPC Classifications
F; F02; F02N; F02N9/00; F02N9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1290941A
Cited
US1375200A
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US1494381A
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US1869874A
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US1849060A
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GB437980A
Cited
US2271022A
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US2300110A
Cited
US2576747A
Cited
US2497300A
Cited
US2578992A
Cited
US2706950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |