US3170809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer sheet and process of making
Assignee: Oxford Paper Co
•
Filing: 1962-05-04
•
Granted: 1965-02-23
•
Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Marshall S Barbour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:46
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF PREPARING A TRANSFER SHEET WHICH COMPRISES COATING A SUITABLE BASE SHEET WITH A COATING COMPOSITION COMPRISING AN AQUEOUS EMULSION OF A HARD WAX, A FATTY ACID, AND A VOLATILE BASE WHICH IS REACTIVE WITH THE FATTY ACID, AND THEREAFTER DRYING THE COATING ON TO THE BASE SHEET.
Claim 2
Independent Claim
50 words
THE METHOD OF PREPARING A TRANSFER SHEET WHICH COMPRISES COATING A SUITABLE BASE SHEET WITH A COATING COMPOSITION COMPRISING AN AQUEOUS EMULSION OF A HARD WAX, A FATTY ACID, AND A VOLATILE BASE WHICH IS REACTIVE WITH THE FATTY ACID, AND THEREAFTER DRYING THE COATING ON TO THE BASE SHEET.
References Cited (Backward Citations)
US1266956A
Cited
US1374112A
Cited
US1209222A
Cited
US1328188A
Cited
US1954451A
Cited
US2035768A
Cited
US2351683A
Cited
US2395992A
Cited
US2931752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |