Patent US2997193A successfully refreshed from Google Patents.
US2997193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for materials handling vehicles
Assignee: —
•
Filing: —
•
Granted: 1961-08-22
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:31
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/14; B66F9/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2323605A
Cited
US2387656A
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US2418251A
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US2583075A
Cited
US2626722A
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US2738087A
Cited
DE920899C
Cited
US2795872A
Cited
US2776768A
Cited
US2799412A
Cited
US2875913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |