US2719484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink feeding device
Assignee: GERBERT PRODUCTS Co
•
Filing: 1952-10-01
•
Granted: 1955-10-04
•
Expires: 1972-10-01
Abstract
No abstract record available.
Inventors
- 👤 Wardell Lynwood
- 👤 Paul F Leavitt
- 👤 Robert F Krupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
B; B41; B41F; B41F31/00; B41F17/00; B41F17/24; B41F17/26; Y; Y10; Y10S; Y10S101/00; Y10S101/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US86263A
Cited
US106834A
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US555626A
Cited
GB201081A
Cited
US769499A
Cited
US930465A
Cited
US1190640A
Cited
US1801935A
Cited
US1799086A
Cited
US1763395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |