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Patent US3473442A successfully refreshed from Google Patents.
US3473442A
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US
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Hydraulic motor drive
Assignee: Cascade Corp
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Filing: 1967-11-03
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Granted: 1969-10-21
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Farmer
- 👤 Thomas E Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:39
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/024; F15B2011/0243; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3056; F15B2211/30565; F15B2211/3058; F15B2211/31; F15B2211/3105; F15B2211/3116; F15B2211/315; F15B2211/3157; F15B2211/31576; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/329; F15B2211/365; F15B2211/70; F15B2211/705; F15B2211/7058; F15B2211/775
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |