US3239051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carriage locking means for business machines
Assignee: Unisys Corp
•
Filing: 1964-01-02
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Granted: 1966-03-08
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 John C Morris
- 👤 Joseph C Brzozowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:02
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/54; B41J29/56; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1074601B
Cited
US1434659A
Cited
US1525034A
Cited
US1647850A
Cited
US1820542A
Cited
GB720192A
Cited
DE832761C
Cited
FR1170665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |