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US3390119A
Expired / Lapsed
US
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Hydrocarbon oil-urethane compositions
Assignee: Monsanto Co
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Filing: 1963-12-04
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Granted: 1968-06-25
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Stephen H Alexander
- 👤 Stewart R Montgomery
- 👤 Leo J Spillane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:58
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/36; C08G18/08; C08G18/0838; C08G18/0842; C08G18/0847; C08G18/0852; C08K; C08K5/00; C08K5/01
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |