US3080384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted benzoquinones and preparation thereof
Assignee: F Hoffmann La Roche AG
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Filing: 1959-12-23
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Granted: 1963-03-05
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Expires: 1979-12-23
Abstract
No abstract record available.
Inventors
- 👤 Kofler Max
- 👤 Langemann Albert
- 👤 Ruegg Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:02
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/742; A23K; A23K20/00; A23K20/10; A23K20/111
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
6 words
A COMPOUND REPRESENTED BY THE FORMULA
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |