US3210425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino polyacetylenic compounds
Assignee: Diamond Shamrock Corp
•
Filing: 1960-09-07
•
Granted: 1965-10-05
•
Expires: 1980-09-07
Abstract
No abstract record available.
Inventors
- 👤 John H Wotiz
- 👤 Huba Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:35
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0892; C07C; C07C17/00; C07C17/26; C07C17/263; C07C17/266; C07F3/00; C07F3/10; C07F5/00; C07F5/02; C07F5/027; C07F7/0803; C07F7/081; C07C2531/00; C07C2531/02; C07C2531/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
1,28-DIAMINO-5,11,17,23-OXTACOSATETRAYNE.
Claim 2
Dependent Claim
1 words
1,28-DIAMINO-5,11,17,23-OXTACOSATETRAYNE.
References Cited (Backward Citations)
US2343359A
Cited
US2343360A
Cited
US2497839A
Cited
US2766285A
Cited
US2830048A
Cited
US2847419A
Cited
US3067265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |