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Patent US2933931A successfully refreshed from Google Patents.
US2933931A
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Intermittent drive mechanism
Assignee: International Business Machines Corp
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Filing: 1958-12-30
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Granted: 1960-04-26
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Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Lisinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:26
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/18; G06K13/26; G06K13/30; H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1577; Y10T74/1579
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |