US2673067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jack for raising forms and flooring in erection of concrete buildings
Assignee: MINOT BUILDERS SUPPLY CO Inc
•
Filing: 1951-05-07
•
Granted: 1954-03-23
•
Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wallace F Fredrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:03
CPC Classifications
B; B66; B66F; B66F1/00; B66F1/02; B66F1/025; E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22; E04G11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339613A
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US1593841A
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US1528857A
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US1547975A
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US1804858A
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US2016575A
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US2189244A
Cited
US2432245A
Cited
US2540679A
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US2599079A
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US2597691A
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US2596854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |