US3455836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyisocyanate compositions
Assignee: Honeywell International Inc
•
Filing: 1966-10-10
•
Granted: 1969-07-15
•
Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew Shultz
- 👤 Melvin Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:14
CPC Classifications
C; C07; C07C; C07C265/00; C07C265/14; C07C263/00; C07C263/18; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/721; C08G18/727; C08G18/74; C08G18/76; C08G18/7607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3180852A
Cited
US3248370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |