US3373150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerising vinyl chloride
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1963-12-02
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Granted: 1968-03-12
•
Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Gordon Edmund Alfred Pears
- 👤 Andrzej Pajaczkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:31
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; F; F02; F02B; F02B3/00; F02B3/06; F02B47/00; Y; Y10; Y10S; Y10S526/00; Y10S526/909; Y10S526/91; Y10S526/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |