Patent US2612481A successfully refreshed from Google Patents.
US2612481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol aldehyde adhesive containing a chromium compound
Assignee: United States Plywood Corp
•
Filing: 1949-04-25
•
Granted: 1952-09-30
•
Expires: 1969-04-25
Abstract
No abstract record available.
Inventors
- 👤 Charles N Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:54
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08; C08L; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE RAPID SETTING ADHESIVE COMPOSITION COMPRISING A THERMOSETTING PHENOL-ALDEHYDE RESIN, A CHROMIUM COMPOUND SOLUBLE IN AQUEOUS ALKALINE MEDIA, A SOLID FILLER COMPRISING A MEMBER OF THE GROUP CONSISTING OF A CELLULOSE FILLER AND CLAY, WATER, AND AN ALKALI METAL HYDROXIDE THE CONSTITUENTS BEING EMPLOYED IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS, EXPRESSED IN PARTS BY WEIGHT OF A SOLIDS BASIS;
Claim 2
Dependent Claim
58 words
THE RAPID SETTING ADHESIVE COMPOSITION COMPRISING A THERMOSETTING PHENOL-ALDEHYDE RESIN, A CHROMIUM COMPOUND SOLUBLE IN AQUEOUS ALKALINE MEDIA, A SOLID FILLER COMPRISING A MEMBER OF THE GROUP CONSISTING OF A CELLULOSE FILLER AND CLAY, WATER, AND AN ALKALI METAL HYDROXIDE THE CONSTITUENTS BEING EMPLOYED IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS, EXPRESSED IN PARTS BY WEIGHT OF A SOLIDS BASIS;
References Cited (Backward Citations)
US1726151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |