US3510335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium pigment production
Assignee: EIDP Inc
•
Filing: 1965-10-22
•
Granted: 1970-05-05
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 William J Mcginnis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:01
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/0081; C09C1/0084; C09C1/3607; C09C1/3692; C09C3/00; C09C3/006; C09C3/04; C09C3/043; C09C3/06; C09C3/063; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2296636A
Cited
US2671031A
Cited
US2780558A
Cited
US2885366A
Cited
US3035966A
Cited
US3146119A
Cited
US3316204A
Cited
US3251705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |