US2807343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving arrangements of the workspindles of automatic machine tools
Assignee: THOMAS RYDER AND SON Ltd
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Filing: 1955-03-18
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Granted: 1957-09-24
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ryder Richard Dudley George
- 👤 Myers Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q39/00; B23Q39/04; B23Q39/042
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |