Patent US2415697A successfully refreshed from Google Patents.
US2415697A
Expired / Lapsed
US
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Method of making asphalt coating compositions
Assignee: Texaco Inc
•
Filing: 1944-03-31
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Granted: 1947-02-11
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Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Knowles
- 👤 Frederic C Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:47
CPC Classifications
C; C09; C09D; C09D195/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2131205A
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US2188204A
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US2223289A
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US2247371A
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US2290833A
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US2337338A
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US2337337A
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US2317150A
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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) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |