Patent US3401195A successfully refreshed from Google Patents.
US3401195A
Expired / Lapsed
US
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Process of producing sulphamic acid derivatives
Assignee: Individual
•
Filing: 1966-06-15
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Granted: 1968-09-10
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Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Crampton
- 👤 David G Bowen
- 👤 Charles F Cardy
- 👤 Poole Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:36
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/16; B01J10/00; B01J10/002; B01J12/00; B01J19/00; B01J19/0053; B01J19/006; B01J19/18; B01J19/1806; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00044; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/18; B01J2219/185
Claims Analysis
Total Claims: 0
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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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |