US3480594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorus containing urethane foams
Assignee: Stauffer Chemical Co
•
Filing: 1967-12-05
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Granted: 1969-11-25
•
Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:45
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/3889; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3134742A
Cited
US3297796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |