Patent US486180A successfully refreshed from Google Patents.
Patent US3365480A successfully refreshed from Google Patents.
US3365480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogen-containing thiolsulfonates
Assignee: Phillips Petroleum Co
•
Filing: 1964-06-18
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Granted: 1968-01-23
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Cobb
- 👤 Clarence R Bresson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:50
CPC Classifications
C; C07; C07C; C07C381/00; C07C381/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THIOLSULFONATE COMPOUNDS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
THIOLSULFONATE COMPOUNDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2664385A
Cited
US3153078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |