US3290342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organophosphorus-vanadium compounds and methods for preparing and using the same
Assignee: Plains Chemical Development Co
•
Filing: 1961-08-18
•
Granted: 1966-12-06
•
Expires: 1981-08-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles J Stern
- 👤 Edward G Budnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:09
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2409774A
Cited
US2742351A
Cited
US2793945A
Cited
US2866732A
Cited
US2784206A
Cited
US2930807A
Cited
US3093669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |