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US3080265A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for cleaning waste-disposal systems

Assignee: OSKAR MAASBERG FA
•
Filing: 1960-10-26
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Granted: 1963-03-05
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Expires: 1980-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Maasberg Wolfgang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:41
CPC Classifications
E; E03; E03F; E03F9/00; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/049; B08B9/0495

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 91 words
A PROCESS FOR CLEANING A WASTE-DISPOSAL CHANNEL, COMPRISING THE STEPS OF INSERTING A FLEXIBLE HIGH-PRESSURE HOSE TERMINATING IN A NOZZLE INTO SAID CHANNEL, PUMPING A FLUID UNDER PRESSURE THROUGH SAID HOSE TO SAID NOZZLE, EJECTING AT LEAST ONE JET OF FLUID FROM SAID NOZZLE IN A GENERALLY REARWARD DIRECTION WITHIN SAID CHANNEL, THEREBY DISPLACING SAID NOZZLE IN A GENERALLY FORWARD DIRECTION, EJECTING AN ADDITIONAL STREAM OF FLUID IN A FORWARD DIRECTION, AND SUBSEQUENTLY WITHDRAWING SAID HOSE AND SAID NOZZLE IN SAID REARWARD DIRECTION WHILE CONTINUING TO PUMP FLUID THROUGH SAID HOSE.

References Cited (Backward Citations)

US558992A Cited
US2735794A Cited
US1176518A Cited
US1628070A Cited
US9091544B2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-04 1966-09-03 1967-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-04 1970-09-03 1971-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-04 1974-09-03 1975-03-05 $7700.00 Window Closed / Lapsed

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