US3702652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device to cast off wound ribbon from a spool
Assignee: TA Triumph-Adler GmbH
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Filing: 1970-11-09
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Granted: 1972-11-14
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Expires: 1990-11-09
Abstract
Abstract A RIBBON SPOOL THAT HAS TWO AXIALLY SEPARABLE RIBBON SPOOL COMPONENTS, EACH WITH A SPOOL HUB PORTION FACING THE OTHER, HAS A MANIPULATIVE DEVICE ASSOCIATED THEREWITH WHEREBY THE RIBBON SPOOL COMPONENTS ARE MOVABLE FROM JOINED TO SEPARATED RELATIONS FOR DISCHRAGING USED, WOUND-UP RIBBON FROM BETWEEN THE SPOOL HUB PORTIONS. THE DEVICE IS NORMALLY IN A SPOOL-LOCATING POSITION ON A TYPEWRITER AND IS REMOVABLE THEREFROM AND MANIPULATIVE FOR CASING OFF WOUND, USED RIBBON FROM THE SPOOL.
Inventors
- 👤 Hans-Georg Hengelhaupt
- 👤 Friedrich Teichmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:16
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |