US2957533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Materials handling trucks
Assignee: LEWIS-SHEPARD Co
•
Filing: 1957-12-18
•
Granted: 1960-10-25
•
Expires: 1977-12-18
Abstract
No abstract record available.
Inventors
- 👤 John H Lewis
- 👤 Wilbur L Sheffield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:29
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07554; B66F9/07572; B66F9/07586
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1313217A
Cited
US1593194A
Cited
US1001837A
Cited
US1461735A
Cited
US2362636A
Cited
US2273630A
Cited
US2232972A
Cited
US2299150A
Cited
US2284237A
Cited
US2320600A
Cited
DE931815C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |