US3036131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted biphenyl glyoxal hydrates and alcoholates
Assignee: Francesco Vismara SpA
•
Filing: 1959-07-27
•
Granted: 1962-05-22
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Cavallini Guido
- 👤 Massarani Elena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:24
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/86; C07C45/00; C07C45/27; C07C45/28; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C49/82; C07C49/83; C07C49/84; Y; Y10; Y10S; Y10S8/00; Y10S8/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CHEMICAL COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A CHEMICAL 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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |