US3317595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear substituted phosphonitrilic derivatives
Assignee: Individual
•
Filing: 1963-09-13
•
Granted: 1967-05-02
•
Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Kazimiera J L Paciorek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:10
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/535; C07F9/5355; C07F9/5357
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE METHOD FOR PREPARING THE COMPOUND
Claim 2
Independent Claim
6 words
THE METHOD FOR PREPARING THE COMPOUND
References Cited (Backward Citations)
US3189564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |