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US2600409A
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Assignee: Victor Adding Machine Co
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Filing: 1949-04-28
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Granted: 1952-06-17
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Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Erhard M Lippert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:33
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003; B41J33/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US320392A
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US856254A
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US1075760A
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US1301696A
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US1840926A
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US1827488A
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US2115912A
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DE673012C
Cited
US2189547A
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US2483528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |