US3432320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonionic oil-in-water asphalt emulsions
Assignee: Phillips Petroleum Co
•
Filing: 1963-10-14
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Granted: 1969-03-11
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Armin C Pitchford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:53
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123569A
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US3126350A
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US2901369A
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US2993003A
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US3108441A
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US3276887A
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US3366500A
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US3276886A
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US3345193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |