Patent US3128576A successfully refreshed from Google Patents.
US3128576A
Expired / Lapsed
US
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Assignee: Detroit Macoid Corp
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Filing: 1960-11-25
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Granted: 1964-04-14
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Stephen D Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:19
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A SEALING STRIP FOR SEALING ADJACENT CAST CONCRETE MEMBERS HAVING ABUTTING FACES TO ONE ANOTHER COMPRISING A DEFORMABLE CENTRAL SECTION EXTENDING LONGITUDINALLY OF THE STRIP FOR INTERPOSITION BETWEEN SAID FACES AND SIDE FLANGES LONGITUDINALLY COEXTENSIVE WITH THE CENTRAL SECTION AND PROJECTING LATERALLY THERFROM TO BE ENBEDDED IN SAID MEMBERS,RESPECTIVELY, SAID SIDE FLANGES BEING SINUOUS IN CROSS-SECTIONAL SHAPE AND HAVING LONGITUDINALLY EXTENDING TRANSVERSELY SPACED RIDGES OF APPRECIABLY GREATER THICKNESS THAN THE PORTIONS JOINING THE RIDGES, THE PORTIONS JOINING SAID RIDGES BEING TAPERED TOWARD A RESTICTED MEDIAL PORTION, SAID SIDE FLANGES EACH DEFINING A TORTUOUS FLOW PATH FOR WATER ATTEMPTING TO BYPASS THE STRIP AND THE TAPERED PORTIONS THEREOF ADAPTED TO WEDGINGLY ENGAGE THAT PORTION OF THE PANEL IN WHICH THE FLANGE IS EMBEDDED UPON ATTEMPTED SEPARATION OF SAID CAST MEMBERS TO PREVENT WATER FLOW BETWEEN THE TAPERED PORTIONS AND THE SURROUNDING CAST MEMBERS AND TO RESIST LATERAL DISPLACEMENT OF THE STRIP.
Claim 2
Dependent Claim
150 words
A SEALING STRIP FOR SEALING ADJACENT CAST CONCRETE MEMBERS HAVING ABUTTING FACES TO ONE ANOTHER COMPRISING A DEFORMABLE CENTRAL SECTION EXTENDING LONGITUDINALLY OF THE STRIP FOR INTERPOSITION BETWEEN SAID FACES AND SIDE FLANGES LONGITUDINALLY COEXTENSIVE WITH THE CENTRAL SECTION AND PROJECTING LATERALLY THERFROM TO BE ENBEDDED IN SAID MEMBERS,RESPECTIVELY, SAID SIDE FLANGES BEING SINUOUS IN CROSS-SECTIONAL SHAPE AND HAVING LONGITUDINALLY EXTENDING TRANSVERSELY SPACED RIDGES OF APPRECIABLY GREATER THICKNESS THAN THE PORTIONS JOINING THE RIDGES, THE PORTIONS JOINING SAID RIDGES BEING TAPERED TOWARD A RESTICTED MEDIAL PORTION, SAID SIDE FLANGES EACH DEFINING A TORTUOUS FLOW PATH FOR WATER ATTEMPTING TO BYPASS THE STRIP AND THE TAPERED PORTIONS THEREOF ADAPTED TO WEDGINGLY ENGAGE THAT PORTION OF THE PANEL IN WHICH THE FLANGE IS EMBEDDED UPON ATTEMPTED SEPARATION OF SAID CAST MEMBERS TO PREVENT WATER FLOW BETWEEN THE TAPERED PORTIONS AND THE SURROUNDING CAST MEMBERS AND TO RESIST LATERAL DISPLACEMENT OF THE STRIP.
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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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |