Patent US3205253A successfully refreshed from Google Patents.
US3205253A
Expired / Lapsed
US
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Nu-(beta-omicron-dialkyldithiophosphoryl)-arylsulfonamides
Assignee: Stauffer Chemical Co
•
Filing: 1963-05-28
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Granted: 1965-09-07
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn W Fancher
- 👤 Chester L Dewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:28
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1651
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)
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Cited
US2744819A
Cited
US2803580A
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US2862019A
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US2865801A
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US2894017A
Cited
US3005004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |