US2735313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dickson
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F01L1/18; F01L1/181; F01L2305/00; F01L2305/02; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1471831A
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US1658318A
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US1784411A
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US1802330A
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US2151832A
Cited
US2081390A
Cited
US2515347A
Cited
FR911367A
Cited
US2573506A
Cited
US2445493A
Cited
US2484926A
Cited
US2481812A
Cited
US2678641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |