US4470930B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4470930B1 - - Google Patents
Assignee: Occidental Chemical Corp
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Filing: 1982-02-09
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Granted: 1989-09-26
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Expires: 2002-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:43
CPC Classifications
C; C07; C07C; C07C255/00; C07B; C07B39/00; C07C17/00; C07C17/093; C07C201/00; C07C201/06; C07C201/08; C07C25/00; C07C25/02; C07C25/13; C07C265/00; C07C265/12; C07C39/00; C07C39/24; C07C39/26; C07C43/00; C07C43/02; C07C43/20; C07C43/225; C07C51/00; C07C51/347; C07C51/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-25 | 1993-03-27 | 1993-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-25 | 1997-03-27 | 1997-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-25 | 2001-03-27 | 2001-09-26 | $7700.00 | Window Closed / Lapsed |