Patent US3287153A successfully refreshed from Google Patents.
US3287153A
Expired / Lapsed
US
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Pressure sensitive sponge-like transfer device
Assignee: Royal Typewriter Co Inc
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Filing: 1963-08-22
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Granted: 1966-11-22
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Expires: 1983-08-22
Abstract
No abstract record available.
Inventors
- 👤 Armand R Schwarz
- 👤 Frank X Flaherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:24
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; B; B41; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249995
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS SENSITIVE TRANSFER SHEET COMPRISING A FIXIBLE CARRIER MEMBER HAVING A SPONGE-LIKE NON-TRANSFERABLE RESINOUS LAYER, AND TRANSFER MEDIA RELEASABLY RETAINED IN THE PORES OF SAID RESINOUS LAYER, SAID TRANSFER MEDIA COMPRISING A NON-DRYING LOW VAPOR PRESSURE FLUID, SAID RESINOUS LAYER COMPRISING A RESIN HAVING
Claim 2
Dependent Claim
45 words
A PROCESS SENSITIVE TRANSFER SHEET COMPRISING A FIXIBLE CARRIER MEMBER HAVING A SPONGE-LIKE NON-TRANSFERABLE RESINOUS LAYER, AND TRANSFER MEDIA RELEASABLY RETAINED IN THE PORES OF SAID RESINOUS LAYER, SAID TRANSFER MEDIA COMPRISING A NON-DRYING LOW VAPOR PRESSURE FLUID, SAID RESINOUS LAYER COMPRISING A RESIN HAVING
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |