US3465023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of nonaromatic polyisocyanates
Assignee: General Mills Inc
•
Filing: 1965-12-07
•
Granted: 1969-09-02
•
Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 Marwan R Kamal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
C; C07; C07C; C07C263/00; C07C263/10; C07C263/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2326501A
Cited
US2640068A
Cited
US2727020A
Cited
US2865940A
Cited
US3179680A
Cited
US3311654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |