Patent US2623453A successfully refreshed from Google Patents.
US2623453A
Expired / Lapsed
US
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Tab sensing means in address printing machines
Assignee: AB Dick Co
•
Filing: 1947-03-12
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Granted: 1952-12-30
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Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Bernhag Carl Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:23
CPC Classifications
B; B41; B41L; B41L47/00; B41L47/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790661A
Cited
US1503822A
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US1599623A
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US2035695A
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US2070549A
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US2132412A
Cited
US2425323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |