Patent US2864290A successfully refreshed from Google Patents.
US2864290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming concrete curbs and the like
Assignee: Individual
•
Filing: 1955-04-11
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Granted: 1958-12-16
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Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:38
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4886; E01C19/4893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1695201A
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US1702666A
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US1840970A
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US1985220A
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US1987398A
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US2187080A
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US2204021A
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US2245426A
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US2380435A
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US2393954A
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US2623446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |