Patent US3371459A successfully refreshed from Google Patents.
US3371459A
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US
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Mortar joint placement device
Assignee: THOMAS
•
Filing: 1963-11-26
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Granted: 1968-03-05
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Paul M Thomas
- 👤 Lawrence W Wright
- 👤 Russell W Burge
- 👤 Eugene E Crile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:44
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/165; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G2021/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A MORTAR JOINT PLACEMENT DEVICE THE COMBINATION OF: MEANS FOR HOLDING MORTAR HAVING AN OUTLET DISPOSED TO DIRECT MORTAR DOWNWARDLY; A TUBULAR STRUCTURE AT SAID OUTLET DISPOSED TO CONDUCT MORTAR AND HOLD MORTAR THEREIN, SAID TUBULAR STRUCTURE OF A DIMENSION CAPABLE OF BEING PROJECTED DOWNWARDLY BETWEEN SPACED VERTICAL SURFACES OF ADJACENT CONCRETE BLOCKS; MEANS FOR MOVING SAID TUBULAR STRUCTURE UPWARDLY AND DOWNWARDLY; AND AN EJECTOR MEMBER DISPOSED CLOSELY TO FIT THE INTERIOR OF SAID TUBULAR STRUCTURE AND MEANS CAUSING SAID TUBULAR STRUCTURE WHEN RETRACTED UPWARDLY FROM A SPACE BEWEEN VERTICAL SPACED
Claim 2
Dependent Claim
91 words
A MORTAR JOINT PLACEMENT DEVICE THE COMBINATION OF: MEANS FOR HOLDING MORTAR HAVING AN OUTLET DISPOSED TO DIRECT MORTAR DOWNWARDLY; A TUBULAR STRUCTURE AT SAID OUTLET DISPOSED TO CONDUCT MORTAR AND HOLD MORTAR THEREIN, SAID TUBULAR STRUCTURE OF A DIMENSION CAPABLE OF BEING PROJECTED DOWNWARDLY BETWEEN SPACED VERTICAL SURFACES OF ADJACENT CONCRETE BLOCKS; MEANS FOR MOVING SAID TUBULAR STRUCTURE UPWARDLY AND DOWNWARDLY; AND AN EJECTOR MEMBER DISPOSED CLOSELY TO FIT THE INTERIOR OF SAID TUBULAR STRUCTURE AND MEANS CAUSING SAID TUBULAR STRUCTURE WHEN RETRACTED UPWARDLY FROM A SPACE BEWEEN VERTICAL SPACED
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |