US2463076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1943-05-31
•
Granted: 1949-03-01
•
Expires: 1963-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Zimmerman
- 👤 Clarence G Gerhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801213A
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US2306993A
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US2310837A
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US2333648A
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US2341567A
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US2356357A
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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) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |