Patent US3266255A successfully refreshed from Google Patents.
US3266255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive-fit transition sleeve
Assignee: Individual
•
Filing: 1963-12-10
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Granted: 1966-08-16
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 John J Dougherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:12
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/52; E02D5/523; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49826; Y10T29/49945; Y10T403/00; Y10T403/57; Y10T403/5706
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A COMPOSITE PILE COMPRISING A SECTIONAL BODY HAVING AN UPPER SECTION AND A LOWER SECTION SPACED THEREFROM, A TRANSITION SLEEVE INTERPOSED BETWEEN AND CONNECTING THE ADJACENT ENDS OF SAID SECTIONS, SAID SLEEVE INCLUDING A CYLINDRICAL PIPE HAVING A FLANGE ON ONE END OF THE BODY OF THE PIPE, PROJECTING TRANSVERSELY AN INWARDLY AND OUTWARDLY OF THE BODY OF THE PIPE, THE INSIDE DIAMETER OF THE BODY OF THE PIPE BEING EQUAL THROUGHOUT ITS LENGTH, THE BOTTOM END OF THE UPPER SECTION BEING WELDED TO THE FLANGE ON SAID PIPE, ANOTHER PIPE HAVING A CYLINDRICAL BODY FITTED INSIDE THE FIRST-NAMED PIPE, THE LENGTHS OF THE BODIES OF SAID PIPES BEING EQUAL, A FLANGE ON THE END OF THE SECOND-NAMED PIPE OPPOSITE TO THE FLANGE ON THE FIRST-NAMED PIPE, THE DIAMETER OF THE OUTSIDE OF THE BODY OF SAID SECOND-NAMED PIPE VARYING THROUGHOUT ITS LENGTH WHEREBY SAID SECOND-NAMED PIPE IS WEDGE FITTED INSIDE THE FIRST-NAMED PIPE WITH THE FREE END OF EACH PIPE ABUTTING THE FLANGE OF THE ASSOCIATED PIPE, THE TOP END OF THE LOWER SECTION BEING WELDED TO THE FLANGE ON SAID SECOND-NAMED PIPE, SAID BOTTOM SECTION BEING OFFSET INWARDLY FROM SAID UPPER SECTION.
Claim 2
Dependent Claim
194 words
A COMPOSITE PILE COMPRISING A SECTIONAL BODY HAVING AN UPPER SECTION AND A LOWER SECTION SPACED THEREFROM, A TRANSITION SLEEVE INTERPOSED BETWEEN AND CONNECTING THE ADJACENT ENDS OF SAID SECTIONS, SAID SLEEVE INCLUDING A CYLINDRICAL PIPE HAVING A FLANGE ON ONE END OF THE BODY OF THE PIPE, PROJECTING TRANSVERSELY AN INWARDLY AND OUTWARDLY OF THE BODY OF THE PIPE, THE INSIDE DIAMETER OF THE BODY OF THE PIPE BEING EQUAL THROUGHOUT ITS LENGTH, THE BOTTOM END OF THE UPPER SECTION BEING WELDED TO THE FLANGE ON SAID PIPE, ANOTHER PIPE HAVING A CYLINDRICAL BODY FITTED INSIDE THE FIRST-NAMED PIPE, THE LENGTHS OF THE BODIES OF SAID PIPES BEING EQUAL, A FLANGE ON THE END OF THE SECOND-NAMED PIPE OPPOSITE TO THE FLANGE ON THE FIRST-NAMED PIPE, THE DIAMETER OF THE OUTSIDE OF THE BODY OF SAID SECOND-NAMED PIPE VARYING THROUGHOUT ITS LENGTH WHEREBY SAID SECOND-NAMED PIPE IS WEDGE FITTED INSIDE THE FIRST-NAMED PIPE WITH THE FREE END OF EACH PIPE ABUTTING THE FLANGE OF THE ASSOCIATED PIPE, THE TOP END OF THE LOWER SECTION BEING WELDED TO THE FLANGE ON SAID SECOND-NAMED PIPE, SAID BOTTOM SECTION BEING OFFSET INWARDLY FROM SAID UPPER SECTION.
References Cited (Backward Citations)
US2369533A
Cited
US2874547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |