US3483083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of acids and esters
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-10-17
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Granted: 1969-12-09
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 George Wynne Elson
- 👤 Ralph Howe
- 👤 Derrick Fleet Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:37
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/09; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C55/00; C07C55/02; C07C67/00; C07C67/08; C12; C12P; C12P7/00; C12P7/40; C12P7/44; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3205150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |