Patent US3306000A successfully refreshed from Google Patents.
US3306000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction method
Assignee: Research Corp
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Filing: 1963-01-02
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Granted: 1967-02-28
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Marion D Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:36
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B2/00; E04B2/02; E04B2002/0256; E04B2002/0273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
THE METHOD OF ERECTING A STRUCTURE WITH BUILDING UNITS WHICH COMPRISES STACKING THE UNITS TO FORM THE DESIRED STRUCTURE WITHOUT THE USE OF ANY BONDING MEDIUM ON THE CONTACTING SURFACES OF THE STACKED UNITS AND THEN COATING AT LEAST ONE OF THE EXPOSED EXTERNAL SURFACES OF THE RESULTING STRUCTURE AT LEAST ABOUT THE PERIPHERY OF SAID UNITS BY APPLYING THERETO A COMPOSITION CONSISTING ESSENTIALLY OF GLASS FIBERS UNIFORMLY DISPERSED IN MOLTEN AND PLASTICIZED SULPHUR AND ALLOWING SAID MOLTEN SULPHUR COMPOSITION TO SOLIDIFY, SAID COATING SERVING AS THE SOLE ESSENTIAL MEANS FOR BONDING THE UNITS TOGETHER, SAID SULPHUR BEING PRESENT IN SAID COMPOSITION IN AN AMOUNT AT LEAST 50% BY WEIGHT OF SAID COMPOSITION, SAID SULPHUR BEING PLASTICIZED WITH A POLYSULPHIDE PLASTICIZER PRESENT IN AN AMOUNT FROM ABOUT 1% TO ABOUT 30% BY WEIGHT OF SAID COMPOSITION AND SAID GLASS FIBER HAVING A LENGTH OF ABOUT 0.25-0.5 INCH AND PRESENT IN AN AMOUNT AT LEAST 1% BY WEIGHT OF SAID COMPOSITION.
Claim 2
Independent Claim
160 words
THE METHOD OF ERECTING A STRUCTURE WITH BUILDING UNITS WHICH COMPRISES STACKING THE UNITS TO FORM THE DESIRED STRUCTURE WITHOUT THE USE OF ANY BONDING MEDIUM ON THE CONTACTING SURFACES OF THE STACKED UNITS AND THEN COATING AT LEAST ONE OF THE EXPOSED EXTERNAL SURFACES OF THE RESULTING STRUCTURE AT LEAST ABOUT THE PERIPHERY OF SAID UNITS BY APPLYING THERETO A COMPOSITION CONSISTING ESSENTIALLY OF GLASS FIBERS UNIFORMLY DISPERSED IN MOLTEN AND PLASTICIZED SULPHUR AND ALLOWING SAID MOLTEN SULPHUR COMPOSITION TO SOLIDIFY, SAID COATING SERVING AS THE SOLE ESSENTIAL MEANS FOR BONDING THE UNITS TOGETHER, SAID SULPHUR BEING PRESENT IN SAID COMPOSITION IN AN AMOUNT AT LEAST 50% BY WEIGHT OF SAID COMPOSITION, SAID SULPHUR BEING PLASTICIZED WITH A POLYSULPHIDE PLASTICIZER PRESENT IN AN AMOUNT FROM ABOUT 1% TO ABOUT 30% BY WEIGHT OF SAID COMPOSITION AND SAID GLASS FIBER HAVING A LENGTH OF ABOUT 0.25-0.5 INCH AND PRESENT IN AN AMOUNT AT LEAST 1% BY WEIGHT OF SAID COMPOSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |