US3361710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of plastics with a metal salt of a schiff base
Assignee: Universal Oil Products Co
•
Filing: 1966-08-04
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Granted: 1968-01-02
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Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Allen K Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1147753B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |