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Patent US2843243A successfully refreshed from Google Patents.
US2843243A
Expired / Lapsed
US
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Printing device
Assignee: Unisys Corp
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Filing: 1955-08-09
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Granted: 1958-07-15
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Earl E Masterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; B41J1/44; B41J1/46; B41J1/50; B41J5/00; B41J5/30; B41J5/31; B41J5/36; B41J5/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |