US2620359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fxixxe
Assignee: —
•
Filing: —
•
Granted: 1952-12-02
•
Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:52
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/23; C07C43/03; C07C43/14; C07C43/178; C07C41/00; C07C41/01; C07C41/02; C07C41/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A GLYCOL MONO-ALPHA-PHENYLETHYL ETHER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
8 words
A GLYCOL MONO-ALPHA-PHENYLETHYL ETHER HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US1931858A
Cited
US2053708A
Cited
US2066076A
Cited
US2174761A
Cited
US2327053A
Cited
US2372615A
Cited
US2380185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |