Patent US3566491A successfully refreshed from Google Patents.
US3566491A
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US
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Mortar spreading machine
Assignee: Individual
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Filing: 1968-06-21
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Granted: 1971-03-02
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Expires: 1988-06-21
Abstract
Abstract THIS INVENTION RELATES TO A MACHINE FOR THE SPREADING OF MORTAR ON MASONARY BUILDING MATERIAL SUCH AS CONCRETE BLOCKS, BRICK, STONE AND THE LIKE. SPECIFICALLY, THE MORTAR SPREADER MACHINE ENCOMPASSES ROLLERS ADAPTED TO BE ROLLED ON A FIRST ROW OF MASONARY MATERIAL. THE ROLLERS IN TURN ARE SECURED TO A HOPPER THAT INCLUDES A FORE AND AFT SPREADER AND MEANS FOR ADVANCING AND FEEDING THE MORTAR FROM THE HOPPER TO THE SPREADER. THE MACHINE IN OPERATION IS PUSHED (ROLLED) ALONG THE ROW OF MASONRY MATERIAL WITH ONE HAND AND THE MORTAR FED TO THE BLOCK BY THE ACTION OF THE OTHER HAND. AS THE MACHINE IS PUSHED, THE MORTAR IS EVENLY AND UNIFORMLY SPREAD ON THE MASONRY MATERIAL.
Inventors
- 👤 Albert M Bukey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:31
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G21/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |