Patent US4345646A successfully refreshed from Google Patents.
Patent US3393872A successfully refreshed from Google Patents.
US3393872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating nozzle cleaner
Assignee: ROY S RANKIN
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Filing: 1966-12-28
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Granted: 1968-07-23
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Roy S Rankin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/32; B23K9/328; F; F23; F23D; F23D14/00; F23D14/46; F23D14/465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A CLEANING DEVICE FOR A FLOW NOZZLE OR THE LIKE COMPRISING A NOZZLE MEMBER DEFINING A GAS FLOW PASSAGE EXTENDING ALONG A LONGITUDINAL AXIS AND OPEN AT ONE END, MEANS FOR DELIVERING A GAS SUPPLY TO SAID PASSAGE AT A POINT SPACED FROM SAID OPEN END, A DRIVE MEMBER SUPPORTED FOR RECIPROCATION ALONG A LONGITUDINAL AXIS WITHIN SAID GAS FLOW PASSAGE BETWEEN TWO EXTREME AXIAL POSITIONS, SAID DRIVE MEMBER HAVING A STROKE IN EXCESS OF THE DISTANCE BETWEEN SAID OPEN END AND THE POINT OF GAS SUPPLY TO SAID PASSAGE, A CLEANING ELEMENT SUPPORTED WITHIN SAID PASSAGE AND HAVING A CUTTING EDGE CONFORMING SUBSTANTIALLY TO THE CROSS-SECTIONAL SHAPE OF SAID GAS FLOW PASSAGE AT LEAST AT SAID OPEN END, MEANS SUPPORTING SAID CLEANING ELEMENT AT ONE END OF SAID DRIVE MEMBER FOR SIMULTANEOUS AXIAL MOVEMENT WITH SAID DRIVE ELEMENT, SAID SUPPORTING MEANS PERMITTING MOVEMENT OF SAID CLEANING ELEMENT TRANSVERSELY TO SAID DRIVE MEMBER TO COMPENSATE FOR MISALIGNMENT BETWEEN THE AXES OF SAID DRIVE MEMBER AND SAID GAS GLOW PASSAGE, SAID CLEANING ELEMENT HAVING ITS CUTTING EDGE EXTENDING BEYOND SAID OPEN END WHEN SAID DRIVE MEMBER IS IN ONE OF ITS EXTREME AXIAL
Claim 2
Dependent Claim
192 words
A CLEANING DEVICE FOR A FLOW NOZZLE OR THE LIKE COMPRISING A NOZZLE MEMBER DEFINING A GAS FLOW PASSAGE EXTENDING ALONG A LONGITUDINAL AXIS AND OPEN AT ONE END, MEANS FOR DELIVERING A GAS SUPPLY TO SAID PASSAGE AT A POINT SPACED FROM SAID OPEN END, A DRIVE MEMBER SUPPORTED FOR RECIPROCATION ALONG A LONGITUDINAL AXIS WITHIN SAID GAS FLOW PASSAGE BETWEEN TWO EXTREME AXIAL POSITIONS, SAID DRIVE MEMBER HAVING A STROKE IN EXCESS OF THE DISTANCE BETWEEN SAID OPEN END AND THE POINT OF GAS SUPPLY TO SAID PASSAGE, A CLEANING ELEMENT SUPPORTED WITHIN SAID PASSAGE AND HAVING A CUTTING EDGE CONFORMING SUBSTANTIALLY TO THE CROSS-SECTIONAL SHAPE OF SAID GAS FLOW PASSAGE AT LEAST AT SAID OPEN END, MEANS SUPPORTING SAID CLEANING ELEMENT AT ONE END OF SAID DRIVE MEMBER FOR SIMULTANEOUS AXIAL MOVEMENT WITH SAID DRIVE ELEMENT, SAID SUPPORTING MEANS PERMITTING MOVEMENT OF SAID CLEANING ELEMENT TRANSVERSELY TO SAID DRIVE MEMBER TO COMPENSATE FOR MISALIGNMENT BETWEEN THE AXES OF SAID DRIVE MEMBER AND SAID GAS GLOW PASSAGE, SAID CLEANING ELEMENT HAVING ITS CUTTING EDGE EXTENDING BEYOND SAID OPEN END WHEN SAID DRIVE MEMBER IS IN ONE OF ITS EXTREME AXIAL
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |