US2574785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ingredient of adhesives and a
Assignee: —
•
Filing: —
•
Granted: 1951-11-13
•
Expires: 1968-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:40
CPC Classifications
C; C09; C09J; C09J197/00; C09J197/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN INGREDIENT FOR COMPOUNDING AN ADHESIVE CONSISTING OF THE REACTION MASS RESULTING FROM CHEMICALLY REACTING FINELY COMMUNITED VEGETABLE MATERIAL OF THE CLASS CONSISTING OF THE TREE BARK, NUT SHELLS AND THE ENDOCARPS OF DRUPES AND AN ALKALI IN ABOUT 8% TO 20% AQUEOUS SOLUTION, THE PROPORTION OF ALKALI SOLUTION TO THE VEGETABLE MATERIAL AND THE TIME OF TREATMENT AT TEMPERATURES IN THE RANGE FROM ABOUT 150* TO ABOUT 200* F. BEING SUCH AS TO EFFECT SUBSTANTIALLY COMPLETE REACTION BETWEEN THE VEGETABLE MATERIAL AND THE ALKALI.
Claim 2
Dependent Claim
85 words
AN INGREDIENT FOR COMPOUNDING AN ADHESIVE CONSISTING OF THE REACTION MASS RESULTING FROM CHEMICALLY REACTING FINELY COMMUNITED VEGETABLE MATERIAL OF THE CLASS CONSISTING OF THE TREE BARK, NUT SHELLS AND THE ENDOCARPS OF DRUPES AND AN ALKALI IN ABOUT 8% TO 20% AQUEOUS SOLUTION, THE PROPORTION OF ALKALI SOLUTION TO THE VEGETABLE MATERIAL AND THE TIME OF TREATMENT AT TEMPERATURES IN THE RANGE FROM ABOUT 150* TO ABOUT 200* F. BEING SUCH AS TO EFFECT SUBSTANTIALLY COMPLETE REACTION BETWEEN THE VEGETABLE MATERIAL AND THE ALKALI.
References Cited (Backward Citations)
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Cited
GB190603211A
Cited
GB289676A
Cited
US1718012A
Cited
US1828028A
Cited
GB490510A
Cited
US2319182A
Cited
US2325570A
Cited
US2314203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |