Patent US3539368A successfully refreshed from Google Patents.
US3539368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of incorporating fillers in cationic bituminous emulsions and products produced thereby
Assignee: Armour Industrial Chemical Co
•
Filing: 1967-12-13
•
Granted: 1970-11-10
•
Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Robert D Timmons
- 👤 Leslie M Harkness
- 👤 Milton M Waldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:06
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2760878A
Cited
US3000750A
Cited
US3014810A
Cited
US3281368A
Cited
US3220953A
Cited
US3309399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |