Patent US2768649A successfully refreshed from Google Patents.
Patent US3276694A successfully refreshed from Google Patents.
US3276694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning the interior surfaces of enclosures
Assignee: Individual
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Filing: 1965-08-31
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Granted: 1966-10-04
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Expires: 1985-08-31
Abstract
No abstract record available.
Inventors
- 👤 John R Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:10
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
APPARATUS FOR USE IN CLEANING THE EXPOSED METAL INTERIOR SURFACES OF AN ENCLOSURE TO REMOVE ADHERING CONTAMINANTS FROM SUCH SURFACES, WHICH COMPRISES: ONE TUBE HAVING AN INLET AT ONE END, TERMINATING AT ITS OTHER END IN AN ANNULAR, OUTWARDLY FACING AND DIVERGENT END SEAT, A BALL ENGAGING SAID SEAT, MEANS FOR ADJUSTABLY LIMITING MOVEMENT OF SAID BALL AWAY FROM SAID SEAT TO VARY THE THICKNESS OF A CONE OF A FLUID PASSING SAID BALL, ANOTHER TUBE LARGER THAN AND SURROUNDING SAID ONE TUBE AND TERMINATING AT ONE END ADJACENT TO SAID BALL IN A PLURALITY OF JET NOZZLES THAT ARE POINTED TOWARD THE SIDE OF A CONE OF A FLUID THAT MAY PASS SAID BALL FROM SAID ONE TUBE, A TUBULAR CASING SURROUNDING, LARGER THAN AND EXTENDING ALONG SAID ANOTHER TUBE AND TERMINATING AT ONE END IN A DISCHARGE PORT, ADJACENT SAID BALL, MEANS FOR CLOSING THE OTHER END OF SAID ANOTHER TUBE AND SAID CASING, MEANS FOR SUPPLYING AIR TO THE SPACE BETWEEN SAID CASING AND SAID ANOTHER TUBE AT A LOCATION REMOTE FROM SAID DISCHARGE PORT,
Claim 2
Dependent Claim
178 words
APPARATUS FOR USE IN CLEANING THE EXPOSED METAL INTERIOR SURFACES OF AN ENCLOSURE TO REMOVE ADHERING CONTAMINANTS FROM SUCH SURFACES, WHICH COMPRISES: ONE TUBE HAVING AN INLET AT ONE END, TERMINATING AT ITS OTHER END IN AN ANNULAR, OUTWARDLY FACING AND DIVERGENT END SEAT, A BALL ENGAGING SAID SEAT, MEANS FOR ADJUSTABLY LIMITING MOVEMENT OF SAID BALL AWAY FROM SAID SEAT TO VARY THE THICKNESS OF A CONE OF A FLUID PASSING SAID BALL, ANOTHER TUBE LARGER THAN AND SURROUNDING SAID ONE TUBE AND TERMINATING AT ONE END ADJACENT TO SAID BALL IN A PLURALITY OF JET NOZZLES THAT ARE POINTED TOWARD THE SIDE OF A CONE OF A FLUID THAT MAY PASS SAID BALL FROM SAID ONE TUBE, A TUBULAR CASING SURROUNDING, LARGER THAN AND EXTENDING ALONG SAID ANOTHER TUBE AND TERMINATING AT ONE END IN A DISCHARGE PORT, ADJACENT SAID BALL, MEANS FOR CLOSING THE OTHER END OF SAID ANOTHER TUBE AND SAID CASING, MEANS FOR SUPPLYING AIR TO THE SPACE BETWEEN SAID CASING AND SAID ANOTHER TUBE AT A LOCATION REMOTE FROM SAID DISCHARGE PORT,
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |