US3108813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masonry expansion joint seal
Assignee: DS Brown Co Inc
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Filing: 1960-04-19
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Granted: 1963-10-29
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Delmont D Brown
- 👤 Howard R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:51
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6813; Y; Y10; Y10S; Y10S138/00; Y10S138/09; Y10S29/00; Y10S29/034; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN EXPANSION JOINT COMPRISING PARALLEL SPACED OPPOSING SURFACES AND AN EXPANSION JOINT SEAL COMPRESSED IN THE SPACE BETWEEN SAID SURFACES AND IN CONTACT WITH SAID OPPOSING SURFACES, SIAD EXPANSION JOING SEAL COMPRISING AN ELONGATED EXTRUDED TUBULAR MEMBER OF RESILIENT MATERIAL, SAID MATERIAL BEING CELLULAR AND HAVING A PLURALITY OF CLOSED CELLS, AND SAID MEMBER BEING TURNED COMPLETELY INSIDE OUT THEREBY PLACING WAHT WAS THE INSIDE WALL SURFACE AS EXTRUDED ON THE OUTSIDE AND UNDER TENSION TO DEFINE A SMOOTH OUTSIDE SURFACE AND THE OUTSIDE WALL SURFACE AS EXTRUDED ON THE INSIDE AND UNDER COMPRESSION, SAID SEAL BEING COMPRESSED TO A THICKNESS EQUAL TO ABOUT THREE TIMES THE WALL THICKNESS.
Claim 2
Dependent Claim
109 words
AN EXPANSION JOINT COMPRISING PARALLEL SPACED OPPOSING SURFACES AND AN EXPANSION JOINT SEAL COMPRESSED IN THE SPACE BETWEEN SAID SURFACES AND IN CONTACT WITH SAID OPPOSING SURFACES, SIAD EXPANSION JOING SEAL COMPRISING AN ELONGATED EXTRUDED TUBULAR MEMBER OF RESILIENT MATERIAL, SAID MATERIAL BEING CELLULAR AND HAVING A PLURALITY OF CLOSED CELLS, AND SAID MEMBER BEING TURNED COMPLETELY INSIDE OUT THEREBY PLACING WAHT WAS THE INSIDE WALL SURFACE AS EXTRUDED ON THE OUTSIDE AND UNDER TENSION TO DEFINE A SMOOTH OUTSIDE SURFACE AND THE OUTSIDE WALL SURFACE AS EXTRUDED ON THE INSIDE AND UNDER COMPRESSION, SAID SEAL BEING COMPRESSED TO A THICKNESS EQUAL TO ABOUT THREE TIMES THE WALL THICKNESS.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |