US3207466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete block mold
Assignee: Individual
•
Filing: 1962-08-06
•
Granted: 1965-09-21
•
Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert F Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:12
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A MOLD FOR CONCRETE BLOCKS, COMPRISING A MOLD BOX CONTAINING A PAIR OF STRIPPER CORES HAVING OPPOSED RECESSES IN THEIR OPPOSED SURFACES, AND A TIE ROD DISPOSED IN EACH PAIR OF OPPOSED RECESSES AND EXTENDING ENDWISE BEYOND THE STRIPPER CORES A SUBSTANTIAL DISTANCE IN BOTH DIRECTIONS, THE TIE RODS HAVING ENLARGED RADIALLY EXTENDING INTEGRAL SHOULDERS THAT ABUT FLAT AGAINST THE OUTER SIDES OF THE STRIPPER CORES, THE SHOULDERS HAVING PERIPHERAL SURFACES THAT EXTEND OUTWARDLY AWAY FROM AND NORMAL TO THE OUTER SIDES OF THE STRIPPER CORES FOR SUBSTANTIAL DISTANCES, SAID OUTWARDLY EXTENDING PERIPHERAL SURFACES TERMINATING AWAY FROM THE STRIPPER CORES IN SURFACES THAT EXTEND RADIALLY OUTWARDLY FROM SAID PERIPHERAL SURFACES AT THE ENDS OF THE TIE RODS.
Claim 2
Dependent Claim
117 words
A MOLD FOR CONCRETE BLOCKS, COMPRISING A MOLD BOX CONTAINING A PAIR OF STRIPPER CORES HAVING OPPOSED RECESSES IN THEIR OPPOSED SURFACES, AND A TIE ROD DISPOSED IN EACH PAIR OF OPPOSED RECESSES AND EXTENDING ENDWISE BEYOND THE STRIPPER CORES A SUBSTANTIAL DISTANCE IN BOTH DIRECTIONS, THE TIE RODS HAVING ENLARGED RADIALLY EXTENDING INTEGRAL SHOULDERS THAT ABUT FLAT AGAINST THE OUTER SIDES OF THE STRIPPER CORES, THE SHOULDERS HAVING PERIPHERAL SURFACES THAT EXTEND OUTWARDLY AWAY FROM AND NORMAL TO THE OUTER SIDES OF THE STRIPPER CORES FOR SUBSTANTIAL DISTANCES, SAID OUTWARDLY EXTENDING PERIPHERAL SURFACES TERMINATING AWAY FROM THE STRIPPER CORES IN SURFACES THAT EXTEND RADIALLY OUTWARDLY FROM SAID PERIPHERAL SURFACES AT THE ENDS OF THE TIE RODS.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |