US3129777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable nozzle having completely shrouded retainer
Assignee: Hughes Tool Co
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Filing: 1962-08-07
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Granted: 1964-04-21
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Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 John C Haspert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:53
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/60; E21B10/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A NOZZLE ADAPTED FOR SEALABLE MOUNTING IN A BOSS HAVING A FLUSHING PASSAGEWAY THERETHROUGH AT LEAST THE LOWER END OF WHICH IS A CYLINDRICAL SURFACE HAVING AT LEAST ONE CIRCUMFERENTIAL GROOVE THEREIN, SAID NOZZEL HAVING A FLUSHING PASSAGEWAY THERETHROUGH AND AN OUTER CYLINDRICAL SURFACE ADAPTED TO FACE SUCH BOSS CYLINDRICAL SURFACE WITH ONLY SUFFICIENT CLEARANCE PERMIT RELATIVE AXIAL AND ROTARY MOVEMENT WITHOUT APPRECIABLE WOBBLING, SAID NOZZLE SURFACE HAVING A CIRCUMFERENTIAL GROOVE THEREIN FOR EACH SAID BOSS GROOVE AND ADAPTED TO REGISTER THEREWITH TO FORM A PAIR OF RING RECEIVING GROOVES ONE OF WHICH IS CONCENTRIC WITH SAID CYLINDRICAL SURFACE AND THE OTHER OF WHICH IS ECCENTRIC THERETO, SAID CONCENTRIC GROOVE BEING ADAPTED TO RECEIVE ALL PORTIONS OF A SPLIT RETAINING RING UNDER THE INFLUENCE OF A RADIAL FORCE AND TO PARTIALLY
Claim 2
Dependent Claim
131 words
A NOZZLE ADAPTED FOR SEALABLE MOUNTING IN A BOSS HAVING A FLUSHING PASSAGEWAY THERETHROUGH AT LEAST THE LOWER END OF WHICH IS A CYLINDRICAL SURFACE HAVING AT LEAST ONE CIRCUMFERENTIAL GROOVE THEREIN, SAID NOZZEL HAVING A FLUSHING PASSAGEWAY THERETHROUGH AND AN OUTER CYLINDRICAL SURFACE ADAPTED TO FACE SUCH BOSS CYLINDRICAL SURFACE WITH ONLY SUFFICIENT CLEARANCE PERMIT RELATIVE AXIAL AND ROTARY MOVEMENT WITHOUT APPRECIABLE WOBBLING, SAID NOZZLE SURFACE HAVING A CIRCUMFERENTIAL GROOVE THEREIN FOR EACH SAID BOSS GROOVE AND ADAPTED TO REGISTER THEREWITH TO FORM A PAIR OF RING RECEIVING GROOVES ONE OF WHICH IS CONCENTRIC WITH SAID CYLINDRICAL SURFACE AND THE OTHER OF WHICH IS ECCENTRIC THERETO, SAID CONCENTRIC GROOVE BEING ADAPTED TO RECEIVE ALL PORTIONS OF A SPLIT RETAINING RING UNDER THE INFLUENCE OF A RADIAL FORCE AND TO PARTIALLY
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |