US3080265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for cleaning waste-disposal systems
Assignee: OSKAR MAASBERG FA
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Filing: 1960-10-26
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Granted: 1963-03-05
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Maasberg Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:44
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)
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 |