Patent US3001996A successfully refreshed from Google Patents.
US3001996A
Expired / Lapsed
US
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Sulfates and sulfonates of n-tertiary amino alkyl-carboxylic acid amides
Assignee: JOHN J MCCABE JR
•
Filing: 1957-02-08
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Granted: 1961-09-26
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Expires: 1977-02-08
Abstract
No abstract record available.
Inventors
- 👤 Hans S Mannheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:36
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/461; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 4
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |