US2786775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt emulsions containing small amounts of lead naphthenate to improve adhesivity
Assignee: Standard Oil Co
•
Filing: 1953-03-09
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Granted: 1957-03-26
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Elwood D Wells
- 👤 Jr Robert B Faris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189379A
Cited
US2283937A
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US2243409A
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US2332260A
Cited
US2317959A
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US2574930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |