Patent US3470121A successfully refreshed from Google Patents.
US3470121A
Expired / Lapsed
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Novel polyol compositions and filled polyurethanes prepared therefrom
Assignee: Honeywell International Inc
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Filing: 1966-09-15
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Granted: 1969-09-30
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Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 David S Cobbledick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:48
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/26; C08K; C08K3/00; C08K3/01; C08K3/013; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10S277/935; Y10S277/944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA673263A
Cited
GB947586A
Cited
GB901056A
Cited
US3201136A
Cited
US3196026A
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US3272098A
Cited
US3342765A
Cited
US3391101A
Cited
US3395108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |