US2748024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer sheet for use in a hectograph duplicating process
Assignee: AB Dick Co
•
Filing: 1952-05-13
•
Granted: 1956-05-29
•
Expires: 1972-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Klimkoski
- 👤 Robert T Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
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
43 words
A TRANSFER SHEET FOR THE PREPARATION OF AN IMAGED DUPLICATING MASTER COMPRISING A BASE SHEET AND A COMPOSITION, THE MAJOR PORPORTION OF WHICH EXISTS AS A COATING ON THE SURFACE OF THE BASE SHEET TO PERMIT SUBSTANTIALLY COMPLETE TRANSFER THEREFROM, SAID COMPOSITION CONTAIN-
Claim 2
Dependent Claim
43 words
A TRANSFER SHEET FOR THE PREPARATION OF AN IMAGED DUPLICATING MASTER COMPRISING A BASE SHEET AND A COMPOSITION, THE MAJOR PORPORTION OF WHICH EXISTS AS A COATING ON THE SURFACE OF THE BASE SHEET TO PERMIT SUBSTANTIALLY COMPLETE TRANSFER THEREFROM, SAID COMPOSITION CONTAIN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |