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US2821909A
Expired / Lapsed
US
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Type control apparatus for business machines and the like
Assignee: Olympia Werke AG
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Filing: 1955-04-07
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Granted: 1958-02-04
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Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Grosse Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:01
CPC Classifications
G; G06; G06C; G06C11/00; G06C11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1730147A
Cited
US1874700A
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US1768526A
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US2076740A
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US2076717A
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US2291970A
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US2307669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |