US3317637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-haloacylphosphoric amides
Assignee: Dow Chemical Co
•
Filing: 1964-01-10
•
Granted: 1967-05-02
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Harry F Brust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:58
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2487; C07F9/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
COMPOUNDS CORRESPONDING TO ONE OF THE FORMULAE
Claim 2
Dependent Claim
7 words
COMPOUNDS CORRESPONDING TO ONE OF THE FORMULAE
References Cited (Backward Citations)
No citation records indexed.
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 |