US3526604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of unsaturated monomers with catalysts formed from the reaction of metals and derivatives of groups i-a and ii-a with compounds of group iii-a
Assignee: Cities Service Co
•
Filing: 1965-09-01
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Granted: 1970-09-01
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Francis T Wadsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/06; C08F; C08F10/00; C08F36/00; C08F36/02; C08F36/04; C08F4/00; C08F4/06; C08F4/12; C08G2/08; C08G2/12; C08G2/14; C08G2/16; C08G2/18; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/12; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/16; C08G69/18; C08G69/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3278508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |