US3299111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated acids derived from polyacetylenic compounds
Assignee: Diamond Shamrock Corp
•
Filing: 1963-01-02
•
Granted: 1967-01-17
•
Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Bobby F Adams
- 👤 John H Wotiz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:32
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/18; C07C11/00; C07C11/21; C07C51/00; C07C51/347; C07C51/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2895869A
Cited
US3016327A
Cited
US3031512A
Cited
US3033884A
Cited
US3032491A
Cited
US2934570A
Cited
US3053868A
Cited
US3032583A
Cited
US3052699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |