US2923164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved rotary to reciprocal motion converter
Assignee: International Business Machines Corp
•
Filing: 1957-12-30
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Granted: 1960-02-02
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Francis W Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:48
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/07; G06K13/077; F; F16; F16H; F16H31/00; F16H31/003; F16H31/004; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/18; Y10T74/18056; Y10T74/1828; Y10T74/18288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027984A
Cited
US1199824A
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DE403512C
Cited
US1737439A
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US1929064A
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US2478630A
Cited
US2658447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |