Patent US2852229A successfully refreshed from Google Patents.
US2852229A
Expired / Lapsed
US
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Lifting equipment for jack operation
Assignee: Individual
•
Filing: 1954-04-14
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Granted: 1958-09-16
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Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 Gross Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:41
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622208A
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US1238591A
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US1241459A
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US1524913A
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US1505443A
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US1548326A
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US1750663A
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US2274794A
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US2369545A
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US2509950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |