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US3531312A
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Method for making a pressure-sensitive transfer element and the resulting article
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1968-01-10
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Granted: 1970-09-29
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Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
B; B41; B41J; B41J31/00; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/24479; Y10T428/24521; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/249986; Y10T428/25; Y10T428/258; Y10T428/26; Y10T428/266
Claims Analysis
Total Claims: 0
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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) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |