US3513125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbazate crosslinking agent and thermosetting resin compositions and process of making same
Assignee: WR Grace and Co
•
Filing: 1967-02-24
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Granted: 1970-05-19
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Expires: 1987-02-24
Abstract
No abstract record available.
Inventors
- 👤 Clifton L Kehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/24; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2847395A
Cited
US3386956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |