US3427172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for protecting automobile undersides with asphalt emulsion
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-03-30
•
Granted: 1969-02-11
•
Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Roediger
- 👤 Eugene E Tompkins
- 👤 George H Schoenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:13
CPC Classifications
C; C09; C09D; C09D195/00; C09D195/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733159A
Cited
US3028249A
Cited
US2690978A
Cited
US2780557A
Cited
US3036015A
Cited
US2926108A
Cited
US3126292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |