US3427969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for replenishing ink in an ink dispenser of a business machine
Assignee: Anker Werke AG
•
Filing: 1965-03-03
•
Granted: 1969-02-18
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Otto Strothmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/22; B41F31/02; B41J; B41J27/00; B41J27/10; B41J27/12; B41J31/00; B41J31/14; B43; B43L; B43L25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US916357A
Cited
US1516454A
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US2918514A
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US2726638A
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US2919677A
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US2970538A
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US3072053A
Cited
US3326180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |