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US3079652A
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Tread assembly
Assignee: Individual
•
Filing: 1960-01-11
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Granted: 1963-03-05
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 James A Wahlfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:03
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
162 words
A TREAD ASSEMBLY SECURED OVER A DOOR SILL IN LOCKING ENGAGEMENT WITH A THRESHOLD SEALER TO PROVIDE A WEATHER BARRIER WITH A DOOR COMPRISING A TREADWAY, A SEALER SECURED IN THE TREADWAY, SAID TREADWAY EXTENDING OUTWARDLY FROM THE SEALER BEYOND THE DOOR SILL, A FRONT EDGE PLATE INTEGRALLY FORMED WITH AND EXTENDING DOWNWARDLY FROM THE TREADWAY BEYOND SAID SILL, A FIRST JOINT MEMBER INTEGRALLY FORMED WITH AND RUNNING THE WIDTH ALONG THE UNDER SIDE OF SAID TREADWAY, A SECOND JOINT MEMBER INTEGRALLY FORMED ON THE INNER SURFACE OF THE FRONT EDGE PLATE AND RUNNING THE WIDTH THEREOF, AND AN ANCHORING STRIP SECURED ON THE FRONT EDGE OF THE SILL HAVING AN UPWARDLY EXTENDING STUB RECEIVED IN SAID FIRST JOINT MEMBER AND AN OUTWARDLY EXTENDING STRUT INTERLOCKING WITH SAID SECOND JOINT MEMBER TO RETAIN THE TREAD ASSEMBLY TO THE SILL WHEREBY THE SEALER IS RETAINED IN ALIGNMENT WITH THE DOOR TO EFFECT A WEATHERTIGHT BARRIER WHEN THE DOOR IS IN THE CLOSED POSITION.
References Cited (Backward Citations)
US2089380A
Cited
US2804954A
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US2731117A
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US2843233A
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US2872714A
Cited
US2916112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |