US3287034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for tubes
Assignee: Parker Hannifin Corp
•
Filing: 1962-05-03
•
Granted: 1966-11-22
•
Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Bragg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:15
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/098; F16L37/0985; F16L37/0987; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49885; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49938; Y10T29/49945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN COMBINATION, AN ANNULAR TUBE COUPLING SLEEVE HAVING A BORE THEREIN AND A TUBE WITHIN SAID BORE, SAID ANULAR SLEEVE HAVING A PAIR OF AXIALLY SPACED RELATIVELY THICK PORTIONS AND A RELATIVELY THIN PORTION BETWEEN SAID THICK PORTIONS, SAID SLEEVE HAVING A COMBINATION PRESS-FIT AND SHRINK-FIT ABOUT SAID TUBE THROUGHOUT SAID THIN PORTION AND AT LEAST ONE OF SAID THICK PORTIONS AND A PRESS-FIT AT SAID OTHER THICK PORTION, SAID BORE BEING OF A SMALLER DIAMETER AT SAID THICK PORTIONS THAN AT SAID THIN PORTION, SAID THIN PORTION AND SAID TUBE BEING RADIALLY OUTWARDLY BOWED BETWEEN SAID THICK PORTIONS.
Claim 2
Dependent Claim
99 words
IN COMBINATION, AN ANNULAR TUBE COUPLING SLEEVE HAVING A BORE THEREIN AND A TUBE WITHIN SAID BORE, SAID ANULAR SLEEVE HAVING A PAIR OF AXIALLY SPACED RELATIVELY THICK PORTIONS AND A RELATIVELY THIN PORTION BETWEEN SAID THICK PORTIONS, SAID SLEEVE HAVING A COMBINATION PRESS-FIT AND SHRINK-FIT ABOUT SAID TUBE THROUGHOUT SAID THIN PORTION AND AT LEAST ONE OF SAID THICK PORTIONS AND A PRESS-FIT AT SAID OTHER THICK PORTION, SAID BORE BEING OF A SMALLER DIAMETER AT SAID THICK PORTIONS THAN AT SAID THIN PORTION, SAID THIN PORTION AND SAID TUBE BEING RADIALLY OUTWARDLY BOWED BETWEEN SAID THICK PORTIONS.
References Cited (Backward Citations)
US311299A
Cited
DE372153C
Cited
US779896A
Cited
AT24446B
Cited
US966513A
Cited
US1004270A
Cited
US1170927A
Cited
GB225486A
Cited
GB259891A
Cited
US1814267A
Cited
US1938995A
Cited
US1957397A
Cited
US2224145A
Cited
US2251718A
Cited
US2363586A
Cited
US2585237A
Cited
US2438107A
Cited
US2574625A
Cited
US2647847A
Cited
US3114566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |