Patent US3198793A successfully refreshed from Google Patents.
US3198793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-dibenzo(c,e)-o-thiazine-5-dioxide and processes for their production
Assignee: Bayer AG
•
Filing: 1961-09-26
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Granted: 1965-08-03
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Expires: 1981-09-26
Abstract
No abstract record available.
Inventors
- 👤 Hilger Josef
- 👤 Muth Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:58
CPC Classifications
C; C07; C07D; C07D279/00; C07D279/02; A; A01; A01N; A01N43/00; A01N43/72
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
THE COMPOUND OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
6 words
THE COMPOUND OF THE FOLLOWING FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |