US3198822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium sulfates and sulfonic acid salts
Assignee: JOHN J MCCABE JR
•
Filing: 1961-10-13
•
Granted: 1965-08-03
•
Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Hans S Mannheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:39
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/14; C07D291/00; C07D291/02; C07D291/06; C11; C11D; C11D1/00; C11D1/88; A61Q; A61Q19/00; A61Q19/10; A61Q5/00; A61Q5/02; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A COMPOUND OF THE FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
11 words
A COMPOUND OF THE FORMULA SELECTED FROM THE GROUP CONSISTING OF:
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)
US1944300A
Cited
US2210175A
Cited
US2832795A
Cited
US2781372A
Cited
US2781388A
Cited
US2781390A
Cited
US2781358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |