US3171857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazodicarboxylic aciddihydrazides
Assignee: Monsanto Co
•
Filing: 1961-09-25
•
Granted: 1965-03-02
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Erhard P Benzing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:47
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/08; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |