US3148419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threshold and the like
Assignee: Reynolds Metals Co
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Filing: 1961-08-16
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Granted: 1964-09-15
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Straus Gus
- 👤 Jr James E Belcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2316
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
A THRESHOLD AND THE LIKE COMPRISING: AN ELONGATED BASE PLATE HAVING A PAIR OF UPWARDLY DIRECTED LONGITUDINAL, PLATE SUPPORTING WALLS HAVING SUPPORTING WALL OUTER AND INNER EDGES, SAID PLATE HAVING WALLS FORMING A PAIR OF LONGITUDINAL STRIP EDGE RECEIVING SPACED GROOVES INTERMEDIATE SAID INNER EDGES OF SAID SUPPORTING WALLS AND HAVING INNER AND OUTER UPPER GROOVE EDGES, SAID PLATE HAVING A FLAT WALL INTERCONNECTING SAID INNER GROOVE EDGES TOGETHER, SAID PLATE HAVING UPSTANDING WALLS INTERMEDIATE SAID GROOVE AND PROJECTING ABOVE SAID FLAT WALL; AND A BOWED, LONGITUDINAL, ELASTIC STRIP HAVING LONGITUDINAL, DOWNWARDLY DIRECTED STRIP EDGES EXTENDING INTO SAID SPACED GROOVES, SAID STRIP HAVING SIDEWISE PROJECTIONS EXTENDING OUTWARDLY OVER AND SEALING AGAINST UPPER SURFACES OF SAID BASE PLATE, SAID STRIP NORMALLY ENGAGING SAID UPSTANDING WALLS TO BE SUPPORTED THEREBY.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |