Patent US3318563A successfully refreshed from Google Patents.
US3318563A
Expired / Lapsed
US
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Concrete block mold assembly
Assignee: Individual
•
Filing: 1964-07-08
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Granted: 1967-05-09
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Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 George G Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:32
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/28; B28B7/30; B28B7/303; B28B19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A CONCRETE BLOCK MOLD ASSEMBLY COMPRISING: A BASE PLATE, A PAIR OF END PLATES, A FRONT PLATE, AND A BACK PLATE, ALL OF SAID PLATES BEING CONNECTED TOGETHER TO FORM AN OPEN TOP MOLD; AND AT LEAST ONE HOLLOW CORE ASSEMBLY SUPPORTED AT OPPOSITE ENDS BY TWO OF SAID PLATES AND INCLUDING MEANS DISPOSED WITHIN THE HOLLOW CORE SPACE TO EFFECT A SEPARATION OF SAID CORE ASSEMBLY INTO SEPARATE CORE PORTIONS, AND EACH END OF SAID CORE ASSEMBLY HAVING AN END FACE SEALED FLUSH AGAINST THE INTERIOR SURFACE OF THE ADJACENT SUPPORTING PLATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |