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Patent US2681614A successfully refreshed from Google Patents.
US2681614A
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Recording machine with grouped recording elements operable selectively to form data-representations
Assignee: Unisys Corp
•
Filing: 1949-09-27
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Granted: 1954-06-22
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Expires: 1969-09-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick Q Rast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/22; B41J2/23
Claims Analysis
Total Claims: 0
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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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |