US2853940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type ban groups in record controlled printing machines
Assignee: Unisys Corp
•
Filing: 1953-12-31
•
Granted: 1958-09-30
•
Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Wockenfuss William
- 👤 William T Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:48
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2076713A
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US2250534A
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US2351281A
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US2433647A
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US2688916A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |