US3071926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic lift cylinder circuit
Assignee: Hyster Co
•
Filing: 1960-04-12
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Granted: 1963-01-08
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Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 John E Olson
- 👤 Griffith L Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/20; B66F9/22; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/3058; F15B2211/32; F15B2211/329; F15B2211/35; F15B2211/40; F15B2211/405; F15B2211/40576; F15B2211/40584; F15B2211/415; F15B2211/41527; F15B2211/46; F15B2211/47; F15B2211/473; F15B2211/50; F15B2211/505; F15B2211/50554; F15B2211/515; F15B2211/5153; F15B2211/5154; F15B2211/52; F15B2211/528; F15B2211/70; F15B2211/75; F15B2211/80; F15B2211/86; F15B2211/8609
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |