Patent US2720832A successfully refreshed from Google Patents.
US2720832A
Expired / Lapsed
US
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Indexable type wheel with reset means
Assignee: International Business Machines Corp
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Filing: 1952-09-26
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Granted: 1955-10-18
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Expires: 1972-09-26
Abstract
No abstract record available.
Inventors
- 👤 George A Luning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:35
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/26; B41J9/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2157035A
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US2227143A
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US2181996A
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US2386422A
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US2382487A
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US2438071A
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US2668870A
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US2566944A
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US2658942A
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US2627807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |