US3514246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dyeing shaped polycarbonate resins
Assignee: American Aniline Products Inc
•
Filing: 1969-07-11
•
Granted: 1970-05-26
•
Expires: 1989-07-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph Bianco
- 👤 Victor T Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:53
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028091A
Cited
US3318655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |