US2636875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylol phenyl compound
Assignee: General Electric Co
•
Filing: 1952-06-12
•
Granted: 1953-04-28
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Expires: 1972-06-12
Abstract
No abstract record available.
Inventors
- 👤 Robert W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:48
CPC Classifications
C; C08; C08G; C08G8/00; C07; C07C; C07C41/00; C07C41/01; C07C41/16; C07C43/00; C07C43/02; C07C43/20; C07C43/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE COMPOUND BIS-1,4-(2,6-DIMETHYLOL-4METHYLPHENOXY) BUTENE-2 HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
THE COMPOUND BIS-1,4-(2,6-DIMETHYLOL-4METHYLPHENOXY) BUTENE-2 HAVING THE FORMULA
References Cited (Backward Citations)
US2488497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |