Patent US2621891A successfully refreshed from Google Patents.
US2621891A
Expired / Lapsed
US
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Wheeled scissors jack
Assignee: BEN GOLDBERG
•
Filing: 1950-09-26
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Granted: 1952-12-16
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Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:02
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08; B66F3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130170A
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US652094A
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US1254527A
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US1900528A
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US2054568A
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US2523706A
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US2537554A
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US2523734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |