US3477871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating paper with a starch-vinyl ester terpolymer latex binder
Assignee: Shell USA Inc
•
Filing: 1966-10-06
•
Granted: 1969-11-11
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 William J Van Westrenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:50
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2444396A
Cited
US2611762A
Cited
US3010929A
Cited
US2824023A
Cited
US2914495A
Cited
US2956973A
Cited
US3001957A
Cited
US3186974A
Cited
US3294727A
Cited
US3370031A
Cited
US3342765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |