US3407165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing surfacing compositions and resulting products
Assignee: Shell USA Inc
•
Filing: 1964-09-18
•
Granted: 1968-10-22
•
Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Jacob Oepkes
- 👤 Hendrikus J Loois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:17
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; C04; C04B; C04B20/00; C04B20/0076; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08K; C08K3/00; C08K3/01; C08K3/013; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2952192A
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US2897733A
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US2861895A
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US3033088A
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US3008387A
Cited
US3005790A
Cited
US3174977A
Cited
US3132115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |