Patent US3468692A successfully refreshed from Google Patents.
US3468692A
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US
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Transcriptive material for making copies without use of carbon paper
Assignee: Renker Belipa Fa GmbH
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Filing: 1967-11-01
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Granted: 1969-09-23
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Hermann Winzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31909; Y10T428/31913; Y10T428/31928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3062676A
Cited
FR1316301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |