US3271144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersensitized zinc oxide
Assignee: 3M Co
•
Filing: 1964-09-08
•
Granted: 1966-09-06
•
Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Clausen
- 👤 Donald K Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:26
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0662; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0631; G03G5/08; G03G5/087; G03G5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A SUPERSENSITIZED ZINC OXIDE DISPERSION SUITABLE FOR USE IN THE PREPARATION OF PHOTOCONDUCTOR SHEET MATERIALS WHICH COMPRISES AN ADMIXTURE PREPARED FROM ZINC OXIDE, BINDER, SENSITIZING DYE AND AT LEAST 0.001 PERCENT, BASED ON THE WEIGHT OF SAID ZINC OXIDE, OF A COMPOUND HAVING THE NUCLEUS
Claim 2
Dependent Claim
45 words
A SUPERSENSITIZED ZINC OXIDE DISPERSION SUITABLE FOR USE IN THE PREPARATION OF PHOTOCONDUCTOR SHEET MATERIALS WHICH COMPRISES AN ADMIXTURE PREPARED FROM ZINC OXIDE, BINDER, SENSITIZING DYE AND AT LEAST 0.001 PERCENT, BASED ON THE WEIGHT OF SAID ZINC OXIDE, OF A COMPOUND HAVING THE NUCLEUS
References Cited (Backward Citations)
US3052540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |