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US2770649A
Expired / Lapsed
US
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o-methoxyphenoxy-2-hydroxy-propyl carbamates
Assignee: AH Robins Co Inc
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Filing: 1955-06-22
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Granted: 1956-11-13
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Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert S Murphey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:02
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-O-METHOXYPHENOXY-2-HYDROXY-PROPYL CARBAMATE AND NLOWER ALKYL DERIVATIVES THEREOF.
Claim 2
Dependent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-O-METHOXYPHENOXY-2-HYDROXY-PROPYL CARBAMATE AND NLOWER ALKYL DERIVATIVES THEREOF.
References Cited (Backward Citations)
US2609386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |