Patent US3189930A successfully refreshed from Google Patents.
US3189930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface cleaning apparatus
Assignee: Individual
•
Filing: 1964-06-16
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Granted: 1965-06-22
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Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry G Tuthill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:11
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/02; A47L11/20; A47L11/32; A47L11/325; A47L11/4036; A47L11/4038; A47L11/4044; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; A47L7/00; A47L7/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
184 words
IN A SURFACING APPARATUS HAVING FLUID RESERVOIR, A SOURCE OF VACUUM, AND DRIVE MEANS FOR ROTATING A BRUSH MEMBER, THE IMPROVEMENT COMPRISING THE COMBINATION OF A BRUSH MEMBER INCLUDING A SUPPORT DRIVEN BY SAID DRIVE MEANS AND HAVING A CIRCULAR CIRCUMFERENTIAL AREA WITH AN ANNULAR PASSAGEWAY THEREIN ADJACENT THE PERIPHERY OF SAID SUPPORT AND COMMUNICATING RADIALLY WITH THE EXTERIOR OF SAID SUPPORT ABOUT SAID AREA, A PLURALITY OF BRISTLE GROUPS DEPENDING FROM SAID SUPPORT TO DEFINE A BRUSH SURFACE, CONDUIT MEANS CARRIED BY SAID SUPPORT AND EXTENDING BETWEEN SAID PASSAGEWAY AND SAID SURFACE, MEANS INTERMEDIATE SAID PASSAGEWAY AND THE CENTER OF SAID BRUSH MEMBER FOR COMMUNICATING SAID RESERVOIR WITH SAID BRISTLE GROUPS, A BELT PASSING ABOUT SAID CIRCUMFERENTIAL AREA, MEANS FOR MOVABLY MAINTAINING SAID BELT IN CONTACT WITH SAID SUPPORT OVER SAID CIRCUMFERENTIAL AREA AND SAID ANNULAR PASSAGEWAY ON OPPOSITE SIDES OF SAID GIVEN FRACTIONAL PORTION THEREOF AND IN SPACED RELATION TO SAID AREA ADJACENT SAID PORTION, AND MEANS DEFINING A VACUUM CHAMBER ADJACENT SAID PORTION WHEREBY A CONTINUOUS VACUUM CHAMBER ADCREATED IN SAID PASSAGEWAY AND SAID CONDUIT MEANS WHEN THE APPARATUS IS OPERATED.
Claim 2
Dependent Claim
184 words
IN A SURFACING APPARATUS HAVING FLUID RESERVOIR, A SOURCE OF VACUUM, AND DRIVE MEANS FOR ROTATING A BRUSH MEMBER, THE IMPROVEMENT COMPRISING THE COMBINATION OF A BRUSH MEMBER INCLUDING A SUPPORT DRIVEN BY SAID DRIVE MEANS AND HAVING A CIRCULAR CIRCUMFERENTIAL AREA WITH AN ANNULAR PASSAGEWAY THEREIN ADJACENT THE PERIPHERY OF SAID SUPPORT AND COMMUNICATING RADIALLY WITH THE EXTERIOR OF SAID SUPPORT ABOUT SAID AREA, A PLURALITY OF BRISTLE GROUPS DEPENDING FROM SAID SUPPORT TO DEFINE A BRUSH SURFACE, CONDUIT MEANS CARRIED BY SAID SUPPORT AND EXTENDING BETWEEN SAID PASSAGEWAY AND SAID SURFACE, MEANS INTERMEDIATE SAID PASSAGEWAY AND THE CENTER OF SAID BRUSH MEMBER FOR COMMUNICATING SAID RESERVOIR WITH SAID BRISTLE GROUPS, A BELT PASSING ABOUT SAID CIRCUMFERENTIAL AREA, MEANS FOR MOVABLY MAINTAINING SAID BELT IN CONTACT WITH SAID SUPPORT OVER SAID CIRCUMFERENTIAL AREA AND SAID ANNULAR PASSAGEWAY ON OPPOSITE SIDES OF SAID GIVEN FRACTIONAL PORTION THEREOF AND IN SPACED RELATION TO SAID AREA ADJACENT SAID PORTION, AND MEANS DEFINING A VACUUM CHAMBER ADJACENT SAID PORTION WHEREBY A CONTINUOUS VACUUM CHAMBER ADCREATED IN SAID PASSAGEWAY AND SAID CONDUIT MEANS WHEN THE APPARATUS IS OPERATED.
Claim 3
Dependent Claim
83 words
A BRUSH MEMBER FOR USE WITH A SURFACING APPARATUS, SAID BRUSH MEMBER COMPRISING A SUPPORT HAVING A CIRCULAR CIRCUMFERENTIAL AREA WITH A PERIPHERAL ANNULAR PASSAGEWAY OPENING RADIALLY OUTWARDLY OF SAID SUPPORT ABOUT SAID AREA, A PLURALITY OF BRISTLE GROUPS DEPENDING FROM SAID SUPPORT TO DEFINE A BRUSH SURFACE, CONDUIT MEANS EXTENDING BETWEEN SAID PASSAGEWAY AND SAID SURFACE, SAID SUPPORT HAVING A FLUID-RECEIVING RECESS INTERMEDIATE SAID PASSAGEWAY AND THE CENTER OF SAID BRUSH MEMBER AND APERTURES COMMUNICATING SAID RECESS WITH SAID BRISTLE GROUPS THEREUNDER.
Claim 4
Dependent Claim
83 words
A BRUSH MEMBER FOR USE WITH A SURFACING APPARATUS, SAID BRUSH MEMBER COMPRISING A SUPPORT HAVING A CIRCULAR CIRCUMFERENTIAL AREA WITH A PERIPHERAL ANNULAR PASSAGEWAY OPENING RADIALLY OUTWARDLY OF SAID SUPPORT ABOUT SAID AREA, A PLURALITY OF BRISTLE GROUPS DEPENDING FROM SAID SUPPORT TO DEFINE A BRUSH SURFACE, CONDUIT MEANS EXTENDING BETWEEN SAID PASSAGEWAY AND SAID SURFACE, SAID SUPPORT HAVING A FLUID-RECEIVING RECESS INTERMEDIATE SAID PASSAGEWAY AND THE CENTER OF SAID BRUSH MEMBER AND APERTURES COMMUNICATING SAID RECESS WITH SAID BRISTLE GROUPS THEREUNDER.
References Cited (Backward Citations)
US2168692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |