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US2975923A Expired / Lapsed US ⏱️ 0.0 years remaining

Swinging and extending forks

Assignee: Yale and Towne Manufacturing Co
•
Filing: 1958-10-13
•
Granted: 1961-03-21
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Expires: 1978-10-13
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Abstract

Abstract 862,146. Masted lift trucks. YALE & TOWNE MANUFACTURING CO. April 13, 1959 [Oct. 13, 1958], No. 12399/59. Class 78 (3). The fork 32 or other load carrier of a masted lift truck is supported on the lifting carriage 22 by pairs of toggle links 29, 30, the links 29 of which are interconnected by broad pinions 39, and independently operable rams 79 are provided to pivot the links 30 relative to their associated links 29 whereby the load carrier may be moved linearly or swung horizontally. A further pair of rams 50 effect tilting of the load carrier about hinge bolts 59. Specification. 857,319 is referred to.

Inventors

  • 👤 Bronislaus I Ulinski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:05
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/16; B66F9/122; B66F9/14; B66F9/147; B66F9/149

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US518633A Cited
US2449863A Cited
US2672249A Cited
US2752058A Cited
US2787393A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-03-20 1964-09-19 1965-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-03-20 1968-09-19 1969-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-03-20 1972-09-19 1973-03-21 $7700.00 Window Closed / Lapsed

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