US2579329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimethylol phenol compound and derivatives thereof
Assignee: General Electric Co
•
Filing: 1949-10-18
•
Granted: 1951-12-18
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:11
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/64; C07C37/66; C07C37/11; C07C37/20; C07C39/00; C07C39/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AS NEW CHEMICAL COMPOUNDS, CRYSTALLINE SALTS SELECTED FROM THE CLASS CONSISTING OF THE SODIUM AND BARIUM SALTS OF 2,4,6-TRIS(HYDROXYMETHYL)PHENOL.
Claim 2
Dependent Claim
19 words
AS NEW CHEMICAL COMPOUNDS, CRYSTALLINE SALTS SELECTED FROM THE CLASS CONSISTING OF THE SODIUM AND BARIUM SALTS OF 2,4,6-TRIS(HYDROXYMETHYL)PHENOL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |