US2673065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jack for elevating forms and floor structures employed in pouring concrete
Assignee: MINOT BUILDERS SUPPLY CO Inc
•
Filing: 1950-03-22
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Granted: 1954-03-23
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Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Roy I Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:48
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22; E04G11/24; B; B66; B66F; B66F3/00; B66F3/24; B66F3/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1649674A
Cited
US2016575A
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 |