US3022880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel transfer media
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1959-11-16
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Granted: 1962-02-27
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/02; B41J31/04; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268; Y10T428/29; Y10T428/2913; Y10T428/2973
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A TYPEWRITER RIBBON OF UNIFORM THICKNESS COMPRISING AN INKED STRIP OF WOVEN MULTI-FILAMENT STRANDS OF FIBER-FORMING POLYMER, IN WHICH THE INDIVIDUAL FILAMENTS ARE OF UNIFORM AND EQUAL DENIER, UNIFORMLY LONGITUDINALLY RIDGED ALONG THEIR ENTIRE LENGTH, AND ARE INTERMESHED IN SAID STRANDS TO PROVIDE THE RIBBON WITH INCREASED INK CAPACITY.
Claim 2
Dependent Claim
49 words
A TYPEWRITER RIBBON OF UNIFORM THICKNESS COMPRISING AN INKED STRIP OF WOVEN MULTI-FILAMENT STRANDS OF FIBER-FORMING POLYMER, IN WHICH THE INDIVIDUAL FILAMENTS ARE OF UNIFORM AND EQUAL DENIER, UNIFORMLY LONGITUDINALLY RIDGED ALONG THEIR ENTIRE LENGTH, AND ARE INTERMESHED IN SAID STRANDS TO PROVIDE THE RIBBON WITH INCREASED INK CAPACITY.
References Cited (Backward Citations)
US2054091A
Cited
US2167990A
Cited
GB582693A
Cited
US2746839A
Cited
US2750653A
Cited
US2918160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |