US2813538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink level control mechanism
Assignee: Miehle Goss Dexter Inc
•
Filing: 1955-02-25
•
Granted: 1957-11-19
•
Expires: 1975-02-25
Abstract
No abstract record available.
Inventors
- 👤 Genova Andrew A Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:44
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; B41F31/022; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7413; Y10T137/7439; Y10T137/7465; Y10T137/7468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1089187A
Cited
US1069146A
Cited
US1174617A
Cited
US1390892A
Cited
US1814804A
Cited
US2159242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |