US3498940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimer fatty acid modified polyester-urethane compositions
Assignee: SI Group Inc
•
Filing: 1968-02-13
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Granted: 1970-03-03
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Expires: 1988-02-13
Abstract
No abstract record available.
Inventors
- 👤 Deno Laganis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/423; C08G18/4233; C09; C09D; C09D175/00; C09D175/04; C09D175/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA610076A
Cited
CA632220A
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CA720855A
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US3244673A
Cited
US3318828A
Cited
US3383343A
Cited
US3349049A
Cited
US3406134A
Cited
US3437500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |