Patent US2654673A successfully refreshed from Google Patents.
US2654673A
Expired / Lapsed
US
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Colorless printing fluid
Assignee: NCR Voyix Corp
•
Filing: 1951-10-20
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Granted: 1953-10-06
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Expires: 1971-10-20
Abstract
No abstract record available.
Inventors
- 👤 David W Steinhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/136; B41M5/145; B41M1/00; B41M1/26; B41M1/36; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1514222A
Cited
US1553556A
Cited
FR713025A
Cited
US2068204A
Cited
US2137463A
Cited
US2474084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |