US2669177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing mechanism
Assignee: —
•
Filing: —
•
Granted: 1954-02-16
•
Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:11
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1761542A
Cited
US2117451A
Cited
US2165439A
Cited
US2229731A
Cited
US2473509A
Cited
US880034A
Cited
US1878125A
Cited
US1957167A
Cited
US2101444A
Cited
US2250534A
Cited
US2279288A
Cited
US2412777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |