US3079285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam type surface cleaner and method of cleaning surfaces
Assignee: Individual
•
Filing: 1960-10-14
•
Granted: 1963-02-26
•
Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ross R Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/38; A47L11/4013; A47L11/4016; A47L11/4022; A47L11/4027; A47L11/4036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF PROGRESSIVELY CLEANING SURFACES COMPRISING THE STEPS OF PROVIDING A MOBILE SUPPLY OF LIQUID CLEANING FLUID, MOVING THE SUPPLY ALONG THE SURFACE WHILE CONTINOUSLY DEPOSITING AN ELONGATED GENERALLY RETANGULAR FLOW OF SAID FLUID UNDER HIGH PRESSURE ALONG THE AREA OF SURFACE TO BE CLEANED TO EFFECT A FLUID WIPING ACTION THEREON AND TO FORM A TEMPORARY STATIONARY, MIXED LAYER OF SAID FLUID AND DIRT PARTICLES, CONTINUOUSLY WITHDRAWING SUCCESSIVE, CONTIGUOUS, ELONGATED, GENERALLY RECTANGULAR PORTIONS OF THE MIXED LAYER FROM THE THUS CLEANED SURFACE AREA AND RETURNING IT TO THE SUPPLY, AND FILTERING THE DIRT PARTICLES FROM SAID MIXED LAYER TO CONDITION SAID FLUID FOR SUBSEQUENT DEPOSIT AS A CONTINUATION OF SAID FLOW ONTO A FURTHER AREA TO BE CLEANED.
Claim 2
Independent Claim
120 words
A METHOD OF PROGRESSIVELY CLEANING SURFACES COMPRISING THE STEPS OF PROVIDING A MOBILE SUPPLY OF LIQUID CLEANING FLUID, MOVING THE SUPPLY ALONG THE SURFACE WHILE CONTINOUSLY DEPOSITING AN ELONGATED GENERALLY RETANGULAR FLOW OF SAID FLUID UNDER HIGH PRESSURE ALONG THE AREA OF SURFACE TO BE CLEANED TO EFFECT A FLUID WIPING ACTION THEREON AND TO FORM A TEMPORARY STATIONARY, MIXED LAYER OF SAID FLUID AND DIRT PARTICLES, CONTINUOUSLY WITHDRAWING SUCCESSIVE, CONTIGUOUS, ELONGATED, GENERALLY RECTANGULAR PORTIONS OF THE MIXED LAYER FROM THE THUS CLEANED SURFACE AREA AND RETURNING IT TO THE SUPPLY, AND FILTERING THE DIRT PARTICLES FROM SAID MIXED LAYER TO CONDITION SAID FLUID FOR SUBSEQUENT DEPOSIT AS A CONTINUATION OF SAID FLOW ONTO A FURTHER AREA TO BE CLEANED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |