US2455240A
Expired / Lapsed
US
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Assignee: Sunoco Inc
•
Filing: 1946-02-25
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Granted: 1948-11-30
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Dupler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:40
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US307220A
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US857564A
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US888469A
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US961789A
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US1216051A
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US1476090A
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US1759141A
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US1855990A
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US2363622A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |