US3145444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for encaement of conduit material
Assignee: Plasti Con Pipe Co
•
Filing: 1960-09-08
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Granted: 1964-08-25
•
Expires: 1980-09-08
Abstract
No abstract record available.
Inventors
- 👤 Cyrus L Brown
- 👤 John A Madill
- 👤 David I Swope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:01
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/22; E02F5/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR ENCASING ONE OR MORE TUBULAR MEMBERS IN CEMENTITIOUS MATERIAL, COMPIRSING: AN ELONGATED SLED HAVING FRONT AND REAR ENDS; HOPPER MEANS MOUNTED TO THE REAR OF SAID SLED; A VIBRATING SUPPORT FOR TUBULAR MEMBERS DISPOSED UPON SAID SLED FORWARDLY OF SAID HOPPER MEANS AND INCLUDING A VERTICALLY MOUNTED VIBRATED SUPPORT FRAME HAVING ONE OR MORE OPENINGS THEREIN FOR RECEIVING TUBULAR MEMBERS HORIZONTALLY THERETHROUGH AND SUPPORTING SAID TUBULAR MEMBERS IN SPACED RELATIONSHIP TO A TRENCH; MEANS FOR MOUNTING SAID VIBRATING SUPPORT AND FRAME UPON SAID SLED INDEPENDENTLY OF SAID HOPPER MEANS, SAID MOUNTING MEANS DEFINING A SUBSTANTIALLY VERTICAL GUIDE AND PERMITTING RELATIVELY FREE UPWARD MOVEMENT OF SAID SUPPORT FRAME RELATIVE TO SAID SLED; AND MEANS MOUNTED TO SAID SUPPORT FRAME FOR VIBRATING SAID FRAME AND TUBULAR MEMBERS SUPPORTED THEREON.
Claim 2
Dependent Claim
129 words
APPARATUS FOR ENCASING ONE OR MORE TUBULAR MEMBERS IN CEMENTITIOUS MATERIAL, COMPIRSING: AN ELONGATED SLED HAVING FRONT AND REAR ENDS; HOPPER MEANS MOUNTED TO THE REAR OF SAID SLED; A VIBRATING SUPPORT FOR TUBULAR MEMBERS DISPOSED UPON SAID SLED FORWARDLY OF SAID HOPPER MEANS AND INCLUDING A VERTICALLY MOUNTED VIBRATED SUPPORT FRAME HAVING ONE OR MORE OPENINGS THEREIN FOR RECEIVING TUBULAR MEMBERS HORIZONTALLY THERETHROUGH AND SUPPORTING SAID TUBULAR MEMBERS IN SPACED RELATIONSHIP TO A TRENCH; MEANS FOR MOUNTING SAID VIBRATING SUPPORT AND FRAME UPON SAID SLED INDEPENDENTLY OF SAID HOPPER MEANS, SAID MOUNTING MEANS DEFINING A SUBSTANTIALLY VERTICAL GUIDE AND PERMITTING RELATIVELY FREE UPWARD MOVEMENT OF SAID SUPPORT FRAME RELATIVE TO SAID SLED; AND MEANS MOUNTED TO SAID SUPPORT FRAME FOR VIBRATING SAID FRAME AND TUBULAR MEMBERS SUPPORTED THEREON.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |