US3064790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open end carriage
Assignee: International Business Machines Corp
•
Filing: 1961-05-05
•
Granted: 1962-11-20
•
Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Marsden B Emig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/02; B41J11/04; B41J13/00; B41J13/10; B41J13/14; B41J13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1730445A
Cited
US1821922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |