US2765627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for tractor hydraulic systems
Assignee: MASSEY HARRIS FERGUSON Ltd
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Filing: 1953-08-31
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Granted: 1956-10-09
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Chambers John Malet
- 👤 Mcneice James Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:05
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B11/00; F15B11/16; F15B2211/00; F15B2211/20; F15B2211/255; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/30585; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41509; F15B2211/455; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/52; F15B2211/521; 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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |