US2888805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic systems for tractors
Assignee: MASSEY HARRIS FERGUSON Ltd
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Filing: 1954-02-16
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Granted: 1959-06-02
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Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Czarnocki Witold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:22
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B2211/00; F15B2211/20; F15B2211/255; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/3059; F15B2211/31; F15B2211/3138; F15B2211/40; F15B2211/405; F15B2211/40507; F15B2211/40576; F15B2211/40584; F15B2211/46; F15B2211/47; F15B2211/473; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/55; F15B2211/70; F15B2211/71
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |