Patent US3157097A successfully refreshed from Google Patents.
US3157097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint seal strip and method of applying same
Assignee: Gulf State Asphalt Co
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Filing: 1960-09-28
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Granted: 1964-11-17
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Jr George J Stinnett
- 👤 Franklin C Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:23
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A METHOD OF APPLYING A THERMOPLASTIC SEALING STRIP HAVING AN INSULATED ELECTRICAL WIRE THEREIN BETWEEN CONCRETE SECTIONS, COMPRISING THE STEPS OF, POSITIONING THE THERMOPLASTIC SEALING STRIP WITH THE INSULATED ELECTRICAL WIRE THEREIN IN A POSITION TO FORM CONCRETE SECTIONS PRIOR TO THE HARDENING OF THE CONCRETE, AND APPLYING A VOLTAGE ACROSS THE ELECTRICAL WIRE SUBSEQUENTLY TO THE HARDENING OF THE CONCRETE ADJACENT THE STRIP TO HEAT THE SEALING STRIP SUFFICIENTLY TO CAUSE A SEALING BETWEEN THE STRIP AND THE WALLS OF THE ADJACENT CONCRETE SECTIONS AND WITHOUT CAUSING ANY VISIBLE FLOW OF SAID STRIP, WHEREBY THE SAME STRIP SERVES AS THE JOINT FORMER AND SEALER BETWEEN CONCRETE SECTIONS SAID THERMOPLASTIC SEALING STRIP INCLUDING FROM ABOUT 0.5% TO ABOUT 10% OF AN ELASTOMER, FORM 0% TO ABOUT 35% OF A FIBROUS MATERIAL, AND ASPHALT, ALL OF WHICH ARE HOMOGENEOUSLY MIXED TOGETHER TO FORM A PLIABLE MATERIAL WHICH IS ADHESIVE TO CONCRETE AT TEMPERATURES AS LOW AS 0*F. AND WHICH IS SUBSTANTIALLY NONFLOWING WHEN HEATED TO A TEMPERATURE SUFFICIENT TO RENDER THE EXTERNAL SURFACE THEREOF ADHESIVE TO CONCRETE.
Claim 2
Independent Claim
176 words
A METHOD OF APPLYING A THERMOPLASTIC SEALING STRIP HAVING AN INSULATED ELECTRICAL WIRE THEREIN BETWEEN CONCRETE SECTIONS, COMPRISING THE STEPS OF, POSITIONING THE THERMOPLASTIC SEALING STRIP WITH THE INSULATED ELECTRICAL WIRE THEREIN IN A POSITION TO FORM CONCRETE SECTIONS PRIOR TO THE HARDENING OF THE CONCRETE, AND APPLYING A VOLTAGE ACROSS THE ELECTRICAL WIRE SUBSEQUENTLY TO THE HARDENING OF THE CONCRETE ADJACENT THE STRIP TO HEAT THE SEALING STRIP SUFFICIENTLY TO CAUSE A SEALING BETWEEN THE STRIP AND THE WALLS OF THE ADJACENT CONCRETE SECTIONS AND WITHOUT CAUSING ANY VISIBLE FLOW OF SAID STRIP, WHEREBY THE SAME STRIP SERVES AS THE JOINT FORMER AND SEALER BETWEEN CONCRETE SECTIONS SAID THERMOPLASTIC SEALING STRIP INCLUDING FROM ABOUT 0.5% TO ABOUT 10% OF AN ELASTOMER, FORM 0% TO ABOUT 35% OF A FIBROUS MATERIAL, AND ASPHALT, ALL OF WHICH ARE HOMOGENEOUSLY MIXED TOGETHER TO FORM A PLIABLE MATERIAL WHICH IS ADHESIVE TO CONCRETE AT TEMPERATURES AS LOW AS 0*F. AND WHICH IS SUBSTANTIALLY NONFLOWING WHEN HEATED TO A TEMPERATURE SUFFICIENT TO RENDER THE EXTERNAL SURFACE THEREOF ADHESIVE TO CONCRETE.
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |