US3463783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the conversion of mercaptobenzthiazole to mercaptobenzthiazyl
Assignee: NAT POLY CHEM Inc
•
Filing: 1966-02-24
•
Granted: 1969-08-26
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Richard Strauss
- 👤 Walter Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:38
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/80; C07D277/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2265347A
Cited
US2468952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |