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US3268583A
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Acetylenic amides
Assignee: Cumberland Chemical Corp
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Filing: 1962-10-30
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Granted: 1966-08-23
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Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 George L Moore
- 👤 James F Vitcha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:28
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60; C10; C10L; C10L1/00; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/145; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/068; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/122
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |