US3442485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-hydraulic control for machine tools
Assignee: DYNA SYSTEMS Inc
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Filing: 1965-10-22
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Granted: 1969-05-06
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Rollin A Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q11/00; B23Q11/04; B23Q15/007; B23Q15/12; F; F15; F15B; F15B11/00; F15B11/02; F15B21/00; F15B21/08; F15B21/087; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0675; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/30525; F15B2211/31; F15B2211/3105; F15B2211/3111; F15B2211/315; F15B2211/3157; F15B2211/31576; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/42; F15B2211/426; F15B2211/45; F15B2211/60; F15B2211/665; F15B2211/6654; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/7054; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T408/00; Y10T408/16; Y10T408/17; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2435817A
Cited
US2655940A
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US2625136A
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US2843147A
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US3059663A
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US2976575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |