US2592034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold-setting resinous cements
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1950-05-05
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Granted: 1952-04-08
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Expires: 1970-05-05
Abstract
No abstract record available.
Inventors
- 👤 Himsworth Francis Robert
- 👤 Hughes Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
A COLD-SETTING PHENOL FORMALDEHYDE RESINOUS CEMENT OF IMPROVED RESISTANCE TO CAUSTIC ALKALI CONTAINING AT LEAST 1 ALIPHATIC ESTER OF A MEMBER OF THE GROUP CONSISTING OF FURFURYL ALCOHOL AND TETRAHYDROFURFURYL ALCOHOL HAVING UP TO 4 CARBON ATOMS IN THE ALIPHATIC CHAIN.
References Cited (Backward Citations)
US1978710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |