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US2822752A
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US
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Differential type setting and resetting means
Assignee: Unisys Corp
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Filing: 1955-03-04
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Granted: 1958-02-11
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert S Bradshaw
- 👤 Du Ray E Stromback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/04; B; B41; B41J; B41J3/00; B41J3/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2503865A
Cited
US1054582A
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US1874700A
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US1812161A
Cited
US2105291A
Cited
US2297803A
Cited
US2335911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |