US3417639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary speed change transmission for machine tool feed drives
Assignee: Giddings and Lewis LLC
•
Filing: 1966-04-06
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Granted: 1968-12-24
•
Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Earl E Johnson
- 👤 Walter L Mccann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/145; F16H61/00; F16H61/02; F16H61/0262; F16H2200/00; F16H2200/003; F16H2200/20; F16H2200/2002; F16H2200/2015; F16H2716/00; F16H61/68; F16H61/684; F16H61/686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA644397A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |