US3361724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyether elastomer containing sulfur crosslinks and the method for its production
Assignee: Akzo Nobel UK PLC
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Filing: 1967-01-20
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Granted: 1968-01-02
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Expires: 1987-01-20
Abstract
No abstract record available.
Inventors
- 👤 Watson James
- 👤 Reeder Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:04
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; C08L71/03; C08G; C08G18/00; C08G18/06; C08G18/83; C08G63/00; C08G63/66; C08G63/668; C08G63/91; C08G63/914; C08G63/916; C08G65/00; C08G65/02; C08G65/32; C08G65/321; C08G65/326; C08G75/00; C08G75/02; C08G75/14; C08G75/16; C08K; C08K3/00; C08K3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB834158A
Cited
US3313742A
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 |