US3071609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenylphosphonates and phosphonites
Assignee: Monsanto Chemicals Ltd
•
Filing: 1961-03-17
•
Granted: 1963-01-01
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Campbell John Robert
- 👤 Roger E Hatton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:10
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/48; C07F9/38; C07F9/40; C07F9/4003; C07F9/4021; C10; C10M; C10M3/00; C10M2223/00; C10M2223/06; C10M2223/061; C10M2223/065; C10N; C10N2040/00; C10N2040/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2392841A
Cited
US2666078A
Cited
US2828195A
Cited
US2728806A
Cited
US2768193A
Cited
US2906765A
Cited
US2927014A
Cited
US2993859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |