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Patent US2790649A successfully refreshed from Google Patents.
US2790649A
Expired / Lapsed
US
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Wheeled base for office machines
Assignee: Olympia Werke AG
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Filing: 1954-02-15
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Granted: 1957-04-30
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lubbe Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:23
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US150132A
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US785601A
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US1435371A
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US2068160A
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US2311928A
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US2424032A
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US2529475A
Cited
US2502929A
Cited
US2575968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |