US2512307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of di-substituted acetic acids and sulfur containing tertiary amino alkanols
Assignee: STWB Inc
•
Filing: 1948-07-24
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Granted: 1950-06-20
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Expires: 1968-07-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond O Clinton
- 👤 Huber Wolfgang
- 👤 George M Fohlen
- 👤 Stanley C Laskowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:55
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A BASIC COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A BASIC COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2079962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |