US3275247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable jet nozzle pipe cleaning device
Assignee: Individual
•
Filing: 1965-01-11
•
Granted: 1966-09-27
•
Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Hammelmann Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:46
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/06; B05B1/00; B05B1/14; B05B1/30; B05B1/32; B05B1/323; B05B3/0412; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/049; B08B9/0495; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12; Y; Y10; Y10S; Y10S239/00; Y10S239/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
CLEANING NOZZLE MECHANISM COMPRISING A CONDUIT FOR SUPPLYING FLUID UNDER PRESSURE, A NOZZLE HEAD MOUNTED ON SAID CONDUIT AND HAVING FIRST JET MEANS AND SECOND JET MEANS AT SPACED LOCATIONS IN SAID NOZZLE HEAD AND DIRECTED IN GENERALLY OPPOSITE DIRECTIONS, RESPECTIVELY, AND FURTHER HAVING FIRST AND SECOND VALVE ELEMENTS SPACED APART, AND CONTROL MEANS HAVING FIRST AND SECOND VALVE ELEMENTS SPACED APART AND COOPERABLE WITH SAID FIRST AND SECOND NOZZLE HEAD VALVE ELEMENTS, RESPECTIVELY, BY RECIPROCATION OF SAID COTROL MEANS WITH RESPECT TO SAID NOZZLE HEAD BETWEEN A FIRST POSITION IN WHICH ENGAGEMENT OF SAID TWO FIRST VALVE ELEMENTS BLOCKS COMMUNICATION BETWEEN SAID CONDUIT AND SAID FIRST JET MEANS WHILE SAID SECOND JET MEANS ARE IN COMMUNICATION WITH SAID CONDUIT AND A SECOND POSITION IN WHICH ENGAGEMENT OF SAID SECOND TWO VALVE ELEMENTS BLOCKS COMMUNICATION BETWEEN SAID CONDUIT AND SAID SECOND JET MEANS WHILE SAID FIRST JET MEANS ARE IN COMMUNICATION WITH SAID CONDUIT, AND SAID CONTROL MEANS FURTHER INCLUDING PRESSURE-RECEIVING SURFACE MEANS UPON WHICH PRESSURE IS EXTERTED BY FLUID UNDER PRESSURE FROM SAID CONDUIT FOR CREATING A FORCE EFFECTING RELATIVE RECIPROCATION OF SAID CONTROL MEANS AND SAID NOZZLE HEAD.
Claim 2
Dependent Claim
190 words
CLEANING NOZZLE MECHANISM COMPRISING A CONDUIT FOR SUPPLYING FLUID UNDER PRESSURE, A NOZZLE HEAD MOUNTED ON SAID CONDUIT AND HAVING FIRST JET MEANS AND SECOND JET MEANS AT SPACED LOCATIONS IN SAID NOZZLE HEAD AND DIRECTED IN GENERALLY OPPOSITE DIRECTIONS, RESPECTIVELY, AND FURTHER HAVING FIRST AND SECOND VALVE ELEMENTS SPACED APART, AND CONTROL MEANS HAVING FIRST AND SECOND VALVE ELEMENTS SPACED APART AND COOPERABLE WITH SAID FIRST AND SECOND NOZZLE HEAD VALVE ELEMENTS, RESPECTIVELY, BY RECIPROCATION OF SAID COTROL MEANS WITH RESPECT TO SAID NOZZLE HEAD BETWEEN A FIRST POSITION IN WHICH ENGAGEMENT OF SAID TWO FIRST VALVE ELEMENTS BLOCKS COMMUNICATION BETWEEN SAID CONDUIT AND SAID FIRST JET MEANS WHILE SAID SECOND JET MEANS ARE IN COMMUNICATION WITH SAID CONDUIT AND A SECOND POSITION IN WHICH ENGAGEMENT OF SAID SECOND TWO VALVE ELEMENTS BLOCKS COMMUNICATION BETWEEN SAID CONDUIT AND SAID SECOND JET MEANS WHILE SAID FIRST JET MEANS ARE IN COMMUNICATION WITH SAID CONDUIT, AND SAID CONTROL MEANS FURTHER INCLUDING PRESSURE-RECEIVING SURFACE MEANS UPON WHICH PRESSURE IS EXTERTED BY FLUID UNDER PRESSURE FROM SAID CONDUIT FOR CREATING A FORCE EFFECTING RELATIVE RECIPROCATION OF SAID CONTROL MEANS AND SAID NOZZLE HEAD.
References Cited (Backward Citations)
US2678845A
Cited
US2990122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |