Patent US2909118A successfully refreshed from Google Patents.
US2909118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically imageable planographic plate
Assignee: Warren SD Co
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Filing: 1956-01-05
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Granted: 1959-10-20
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Expires: 1976-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank L Wellcome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:23
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/842; G03; G03G; G03G19/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
A COATED SHEET SUITABLE FOR BOTH MAGNETIC RECORDING AND PLANOGRAPHIC PRINTING COMPRISING A NON-MAGNETIC FLEXIBLE BASE AND A SURFACE COATING THEREON, SAID COATING BEING MAGNETIZABLE AND CONTAINING FINELY DIVIDED FERROMAGNETIC PARTICLES BOUND BY A WATER-INSOLUBLE HYDROPHILIC ADHESIVE, SAID COATING ALSO CONTAINING ZINC ACETATE SUFFICIENT TO ENSURE SATISFACTORY PLANOGRAPHIC PRINTING QUALITIES IN THE SURFACE OF SAID COATING.
Claim 2
Dependent Claim
56 words
A COATED SHEET SUITABLE FOR BOTH MAGNETIC RECORDING AND PLANOGRAPHIC PRINTING COMPRISING A NON-MAGNETIC FLEXIBLE BASE AND A SURFACE COATING THEREON, SAID COATING BEING MAGNETIZABLE AND CONTAINING FINELY DIVIDED FERROMAGNETIC PARTICLES BOUND BY A WATER-INSOLUBLE HYDROPHILIC ADHESIVE, SAID COATING ALSO CONTAINING ZINC ACETATE SUFFICIENT TO ENSURE SATISFACTORY PLANOGRAPHIC PRINTING QUALITIES IN THE SURFACE OF SAID COATING.
Claim 3
Dependent Claim
41 words
A MAGNETIC RECORDING SHEET HAVING A PLANOGRAPHIC PRINTING SURFACE, SAID SHEET COMPRISING A NON-MAGNETIC FLEXIBLE BASE, A LOWER COATING THEREON COMPRISING A FERROMAGNETIC POWDER AND AN ADHESIVE AND AN UPPER COATING THEREON COMPRISING A LIGHT COLORED PIGMENT AND A HYDROPHILIC ADHESIVE.
Claim 4
Dependent Claim
41 words
A MAGNETIC RECORDING SHEET HAVING A PLANOGRAPHIC PRINTING SURFACE, SAID SHEET COMPRISING A NON-MAGNETIC FLEXIBLE BASE, A LOWER COATING THEREON COMPRISING A FERROMAGNETIC POWDER AND AN ADHESIVE AND AN UPPER COATING THEREON COMPRISING A LIGHT COLORED PIGMENT AND A HYDROPHILIC ADHESIVE.
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |