Patent US3522285A successfully refreshed from Google Patents.
US3522285A
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Stable liquid polyisocyanate compositions
Assignee: Honeywell International Inc
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Filing: 1969-04-04
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Granted: 1970-07-28
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Expires: 1989-04-04
Abstract
No abstract record available.
Inventors
- 👤 Voldemar Kirss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
C; C07; C07C; C07C263/00; C07C263/10; C07C209/00; C07C209/82; C07C209/84; C07C263/18; C07C263/20; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4825; C08G18/70; C08G18/72; C08G18/721; C08G18/727; C08G18/74; C08G18/76; C08G18/7614; C08G18/7621; C08G2110/00; C08G2110/0025; C08G2110/0041; C08G2110/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3128310A
Cited
US3215652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |