US3493658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial agents
Assignee: Bayer AG
•
Filing: 1965-12-28
•
Granted: 1970-02-03
•
Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Karl-Julius Schmidt
- 👤 Fritz Steinfatt
- 👤 Gerhard Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:19
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07C; C07C255/00; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/16; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/015; C10N2050/02; Y; Y10; Y10S; Y10S507/00; Y10S507/92
Claims Analysis
Total Claims: 0
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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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |