US3254909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split t and method of making the same
Assignee: TD Williamson Inc
•
Filing: 1963-09-10
•
Granted: 1966-06-07
•
Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Nooy Burton Ver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:38
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SPLIT T COMPRISING A RUN HAVING AN OPENING IN ITS SIDE WALL AND A BRANCH HAVING AN OUTSIDE DIAMETER EQUAL TO THE DIAMETER OF THE OPENING AT THE OUTER EDGE OF THE WALL FORMING THE OPENING, SAID BRANCH HAVING AN END FORMED TO BE POSITIONED OVER THE OPENING WITH THE OUTER EDGE OF THE END WALL OF THE END SUBSTANTIALLY ADJACENT THE OUTER EDGE OF THE WALL ABOUT THE OPENING IN THE RUN; THE WALL ABOUT THE OPENING IN THE RUN BEING PERPENDICULAR TO THE OUTSIDE SURFACE OF THE RUN AND THE END WALL OF THE BRANCH BEING TANGENT TO A LINE EXTENDING THROUGH A POINT LYING ON THE CENTERLINE OF THE BRANCH AND SPACED ABOVE THE LONGITUDINAL AXIS OF THE RUN A DISTANCE AT LEAST AS GREAT AS THE RADIUS OF THE BRANCH TO PROVIDE WALL SUR-
Claim 2
Dependent Claim
139 words
A SPLIT T COMPRISING A RUN HAVING AN OPENING IN ITS SIDE WALL AND A BRANCH HAVING AN OUTSIDE DIAMETER EQUAL TO THE DIAMETER OF THE OPENING AT THE OUTER EDGE OF THE WALL FORMING THE OPENING, SAID BRANCH HAVING AN END FORMED TO BE POSITIONED OVER THE OPENING WITH THE OUTER EDGE OF THE END WALL OF THE END SUBSTANTIALLY ADJACENT THE OUTER EDGE OF THE WALL ABOUT THE OPENING IN THE RUN; THE WALL ABOUT THE OPENING IN THE RUN BEING PERPENDICULAR TO THE OUTSIDE SURFACE OF THE RUN AND THE END WALL OF THE BRANCH BEING TANGENT TO A LINE EXTENDING THROUGH A POINT LYING ON THE CENTERLINE OF THE BRANCH AND SPACED ABOVE THE LONGITUDINAL AXIS OF THE RUN A DISTANCE AT LEAST AS GREAT AS THE RADIUS OF THE BRANCH TO PROVIDE WALL SUR-
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |