Patent US2469638A successfully refreshed from Google Patents.
US2469638A
Expired / Lapsed
US
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Wheel lifting linkage for pallet trucks
Assignee: Yale and Towne Manufacturing Co
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Filing: 1943-07-20
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Granted: 1949-05-10
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Expires: 1963-07-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Framhein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:11
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B62B3/0625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1445838A
Cited
US1257169A
Cited
US1717697A
Cited
US1997327A
Cited
US2325396A
Cited
US2358957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |