Patent US2614880A successfully refreshed from Google Patents.
US2614880A
Expired / Lapsed
US
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Method and apparatus for lifting concrete products
Assignee: Individual
•
Filing: 1948-10-29
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Granted: 1952-10-21
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Expires: 1968-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Hubert C Berchem
- 👤 Harold F Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:04
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US424825A
Cited
US661033A
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US679440A
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US2060722A
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US2076204A
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US2170706A
Cited
US2277235A
Cited
US2369727A
Cited
US2437485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |