Patent US2975923A successfully refreshed from Google Patents.
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
•
Expires: 1978-10-13
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 19:39
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 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 |