US2808919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear bar devices in business machines
Assignee: Olympia Werke AG
•
Filing: 1954-03-30
•
Granted: 1957-10-08
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frobel Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:11
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/66; B41J11/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1157276A
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US1250883A
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US1281087A
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US1280886A
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US1591442A
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US1603928A
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US1653025A
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US2053578A
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US2360196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |