Patent US3412839A successfully refreshed from Google Patents.
US3412839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-colored ribbon system
Assignee: SCM Corp
•
Filing: 1966-04-26
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Granted: 1968-11-26
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 David H Smith
- 👤 Samuel D Cappotto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/40; B41J33/44; B41J33/51; B41J33/518; B41J35/00; B41J35/04; B41J35/10; B41J35/12; B41J35/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US521091A
Cited
US530365A
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US623232A
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USRE25024E
Cited
US657153A
Cited
US805060A
Cited
US1212166A
Cited
US2872016A
Cited
US3090296A
Cited
US3185083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |