US3493410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High luster iridescent nacreous pigment
Assignee: Beazer East Inc
•
Filing: 1967-06-06
•
Granted: 1970-02-03
•
Expires: 1987-06-06
Abstract
No abstract record available.
Inventors
- 👤 Yoshio Morita
- 👤 James E Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:50
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C09C1/0018; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123485A
Cited
US2851370A
Cited
US2807858A
Cited
US2950981A
Cited
US2995459A
Cited
US3262802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |