US2733223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bookbinding material comprising a vinyl
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:34
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A BOOKBINDING MATERIAL PARTICULARLY ADAPTED FOR PRINTING, COMPRISING A FILM OF A MIXTURE OF CASTOR OIL MALEATE AND A VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMER OF VINYL CHLORIDE, COPOLYMER OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE, AND MIXTURES THEREOF, THE VINYL CHLORIDE CONTENT OF SAID COPOLYMER BEING AT LEAST 80% BY WEIGHT, AND THE RATIO, ON WEIGHT BASIS, OF RESIN TO CASTOR OIL MALEATE BEING BETWEEN 40:60 AND 80:20.
Claim 2
Dependent Claim
78 words
A BOOKBINDING MATERIAL PARTICULARLY ADAPTED FOR PRINTING, COMPRISING A FILM OF A MIXTURE OF CASTOR OIL MALEATE AND A VINYL RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMER OF VINYL CHLORIDE, COPOLYMER OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE, AND MIXTURES THEREOF, THE VINYL CHLORIDE CONTENT OF SAID COPOLYMER BEING AT LEAST 80% BY WEIGHT, AND THE RATIO, ON WEIGHT BASIS, OF RESIN TO CASTOR OIL MALEATE BEING BETWEEN 40:60 AND 80:20.
References Cited (Backward Citations)
US2583150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |