US3184818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mix regulating devices for cement block molding machines
Assignee: Individual
•
Filing: 1953-10-19
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Granted: 1965-05-25
•
Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Crile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:11
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/02; B28B13/0215; B28B13/023; B28B1/00; B28B1/04; B28B1/045; B28B17/00; B28B17/0063; B28B17/0081
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A BLOCK MAKING MACHINE INCLUDING, (A) A MOLD, (B) A FEED DRAWER THAT MOVES BACK AND FORTH ACROSS THE MOLD TO DEPOSIT A SUCCESSIVE CHARGE OF MATERIAL IN THE MOLD FOR EACH CYCLE OF OPERATION OF THE MACHINE, (C) A STRIKE-OFF BAR CARRIED BY THE FEED DRAWER, (D) VIBRATORS FOR THE MOLD, (E) AND MEANS FOR CHANGING THE HEIGHT OF THE BLOCK INCLUDING (F) A CONTROLLER THAT RAISES AND LOWERS THE STRIKE-OFF BAR, (G) AND A DEVICE RESPONSIVE TO THE HEIGHT OF THE CHARGE IN THE MOLD AT A TIME IN THE CYCLE OF OPERATION OF THE MACHINE FOR CONTROLLING THE OPERATION OF SAID MEANS FOR CHANGING THE HEIGHT OF THE BLOCK.
References Cited (Backward Citations)
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Cited
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US2366780A
Cited
US2652613A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |