US3475522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane foam curing
Assignee: Monsanto Co
•
Filing: 1966-08-10
•
Granted: 1969-10-28
•
Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Sarkis K Garibian
- 👤 Gaspard X Criner Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S521/00; Y10S521/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |