US3458395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cellulosic fiber sheets containing coated titanium dioxide pigments
Assignee: Individual
•
Filing: 1968-08-19
•
Granted: 1969-07-29
•
Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ian Nicol Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:17
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3669; C09C1/3676; D; D21; D21H; D21H17/00; D21H17/63; D21H17/67; D21H17/69; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2151019A
Cited
US2136296A
Cited
US2949397A
Cited
US2935436A
Cited
US3320118A
Cited
US3205085A
Cited
US3219519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |