US3117983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical composition and method
Assignee: Diamond Shamrock Corp
•
Filing: 1961-01-30
•
Granted: 1964-01-14
•
Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Matthews Clifford Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:00
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; A; A01; A01N; A01N57/00; A01N57/02; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/1895; B01J31/20; B01J31/24; B01J31/2404; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07F; C07F11/00; C07F11/005; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; B01J2531/00; B01J2531/30; B01J2531/39; B01J2531/60; B01J2531/62; B01J2531/64; B01J2531/66; C10M2201/00; C10M2201/06; C10M2201/064; C10M2227/00; C10M2227/08; C10M2227/081; C10N; C10N2010/00; C10N2010/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
THE METHOD OF PREPARING A COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
9 words
THE METHOD OF PREPARING A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |