US2681741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fork lift truck
Assignee: BICKERSTAFF Inc
•
Filing: 1951-02-15
•
Granted: 1954-06-22
•
Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 Bickerstaff Lindsay Neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:58
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US975713A
Cited
US1121982A
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US1130243A
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US2403356A
Cited
US2519282A
Cited
US2503689A
Cited
US2486324A
Cited
US2530375A
Cited
US2578016A
Cited
US2636768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |