US2585988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing aminoketones
Assignee: Hartford National Bank and Trust Co
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Filing: 1948-05-24
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Granted: 1952-02-19
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Expires: 1968-05-24
Abstract
No abstract record available.
Inventors
- 👤 Asscher Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/45; B03C3/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A METHOD OF PREPARING AN AMINOKETONE, COMPRISING THE STEPS OF REACTING A COMPOUND HAVING THE FORMULA:
Claim 2
Independent Claim
16 words
A METHOD OF PREPARING AN AMINOKETONE, COMPRISING THE STEPS OF REACTING A COMPOUND HAVING 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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |