US3043874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-halo-3-sulfamoylbenzoic acid derivatives and methods for producing same
Assignee: Parke Davis and Co LLC
•
Filing: 1960-05-09
•
Granted: 1962-07-10
•
Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Wald Horace A De
- 👤 Milton L Hoefle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07C; C07C311/00; C07C311/15; C07C311/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FUMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FUMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |