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US3105769A Expired / Lapsed US ⏱️ 0.0 years remaining

Solution for reconditioning typewriter ribbons and the like and methods of reconditioning such ribbons

Assignee: Individual
•
Filing: 1960-10-17
•
Granted: 1963-10-01
•
Expires: 1980-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Erwin H Ellerin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:17
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 36 words
A SOLUTION FOR RECONDITIONING TYPEWRITER RIBBONS AND THE LIKE, SAID SOLUTION CONTAINING HEXANE, 1,1,1-TRICHLORETHANE, METHYLENE CHLORIDE, OLEIC ACID, METHYLATED SPERM OIL, MINERAL OIL (LIGHT), OLEYL ALCOHOL, SILICONES, SPERMACETI WAX, PETROLATUM, COLORING MATTER AND ODOR MASKING MATERIAL.
Claim 2
Dependent Claim 36 words
A SOLUTION FOR RECONDITIONING TYPEWRITER RIBBONS AND THE LIKE, SAID SOLUTION CONTAINING HEXANE, 1,1,1-TRICHLORETHANE, METHYLENE CHLORIDE, OLEIC ACID, METHYLATED SPERM OIL, MINERAL OIL (LIGHT), OLEYL ALCOHOL, SILICONES, SPERMACETI WAX, PETROLATUM, COLORING MATTER AND ODOR MASKING MATERIAL.

References Cited (Backward Citations)

US895248A Cited
US2344671A Cited
US2155653A Cited
US2644766A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-30 1967-04-01 1967-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-30 1971-04-01 1971-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-30 1975-04-01 1975-10-01 $7700.00 Window Closed / Lapsed

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