US2993437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed printer apparatus
Assignee: International Business Machines Corp
•
Filing: 1959-10-05
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Granted: 1961-07-25
•
Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Demer
- 👤 Edward J Grenchus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:22
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/12; B; B41; B41J; B41J9/00; B41J9/44; G06K; G06K15/00; G06K15/02; G06K15/08; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2692551A
Cited
US2762297A
Cited
US2776618A
Cited
US2831424A
Cited
US2926602A
Cited
US2918865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |