US3345671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor scrubbing and polishing machine
Assignee: Individual
•
Filing: 1966-01-11
•
Granted: 1967-10-10
•
Expires: 1986-01-11
Abstract
No abstract record available.
Inventors
- 👤 Ross D Wilson
- 👤 George A Deardorff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:10
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/4044; A47L11/4052; A47L11/4055; A47L11/4058; A47L11/4061; A47L11/4063; A47L11/4069; A47L11/4072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A FLOOR SCRUBBING AND POLISHING MACHINE, COMPRISING: A FRAME HAVING SUPPORTING WHEELS THEREON; A BRUSH UNIT MOUNTED IN SAID FRAME, SAID BRUSH UNIT HAVING A CENTRAL BRUSH AND AT LEAST ONE OUTER BRUSH ON EACH SIDE THEREOF, EACH SUPPORTED ON SAID UNIT TO ROTATE ABOUT A SUBSTANTIALLY VERTICAL AXIS; SAID OUTER BRUSHES HAVING SUPPORTING ARMS PIVOTALLY MOUNTED ON SAID FRAME TO SWING ABOUT AN AXIS SUBSTANTIALLY ON THE CENTER LINE OF THE FRAME, BETWEEN A WIDE POSITION WITH THE THREE BRUSHES IN SUBSTANTIALLY LINEAR ARRANGEMENT TRANSVERELY OF THE FRAME AND A NARROW POSITION WITH THE BRUSHES IN GENERALLY TRIANGULAR ARRANGEMENT; AND A SOURCE OF POWER ON SAID BRUSH UNIT OPERATIVELY CONNECTED TO ROTATE SAID BRUSHES SIMULTANEOUSLY.
Claim 2
Dependent Claim
116 words
A FLOOR SCRUBBING AND POLISHING MACHINE, COMPRISING: A FRAME HAVING SUPPORTING WHEELS THEREON; A BRUSH UNIT MOUNTED IN SAID FRAME, SAID BRUSH UNIT HAVING A CENTRAL BRUSH AND AT LEAST ONE OUTER BRUSH ON EACH SIDE THEREOF, EACH SUPPORTED ON SAID UNIT TO ROTATE ABOUT A SUBSTANTIALLY VERTICAL AXIS; SAID OUTER BRUSHES HAVING SUPPORTING ARMS PIVOTALLY MOUNTED ON SAID FRAME TO SWING ABOUT AN AXIS SUBSTANTIALLY ON THE CENTER LINE OF THE FRAME, BETWEEN A WIDE POSITION WITH THE THREE BRUSHES IN SUBSTANTIALLY LINEAR ARRANGEMENT TRANSVERELY OF THE FRAME AND A NARROW POSITION WITH THE BRUSHES IN GENERALLY TRIANGULAR ARRANGEMENT; AND A SOURCE OF POWER ON SAID BRUSH UNIT OPERATIVELY CONNECTED TO ROTATE SAID BRUSHES SIMULTANEOUSLY.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |