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US2517306A
Expired / Lapsed
US
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Tabulator for typewriters or the like
Assignee: Atvidabergs Industrier AB
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Filing: 1947-01-08
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Granted: 1950-08-01
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Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Gustavsson Karl-Axel
- 👤 Munch Ebbe
- 👤 Tangeberg Olov Hakan Ingmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:02
CPC Classifications
B; B41; B41J; B41J21/00; B41J21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US941166A
Cited
US1058446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |