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US2743191A
Expired / Lapsed
US
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Method for manufacturing transfer sheets for spirit duplication
Assignee: AB Dick Co
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Filing: 1952-08-13
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Granted: 1956-04-24
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Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Klimkowski
- 👤 Robert T Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/025; B41M5/0253; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PREPARING A TRANSFER SHEET OF THE TYPE DESCRIBED COMPRISING THE STEPS OF FORMULATING A COATING COMPOSITION HAVING A WAX BASE AND FROM 20 TO 72 PERCENT BY WEIGHT OF A WATER AND ALCOHOL SOLUBLE DIAZO DYE INTERMEDIATE STABLE AT TEMPERATURES UP TO AND INCLUDING THE TEMPERATURE OF THE WAX MELT, HEATING THE COMPOSITION TO A MOLTEN STAGE, AND APPLYING THE HOT MELT ONTO A BASE SHEET TO FORM A CONTINUOUS LAYER WHICH IS POORLY BONDED TO THE BASE SHEET.
Claim 2
Independent Claim
82 words
THE METHOD OF PREPARING A TRANSFER SHEET OF THE TYPE DESCRIBED COMPRISING THE STEPS OF FORMULATING A COATING COMPOSITION HAVING A WAX BASE AND FROM 20 TO 72 PERCENT BY WEIGHT OF A WATER AND ALCOHOL SOLUBLE DIAZO DYE INTERMEDIATE STABLE AT TEMPERATURES UP TO AND INCLUDING THE TEMPERATURE OF THE WAX MELT, HEATING THE COMPOSITION TO A MOLTEN STAGE, AND APPLYING THE HOT MELT ONTO A BASE SHEET TO FORM A CONTINUOUS LAYER WHICH IS POORLY BONDED TO THE BASE SHEET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |