US3290713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor scrubbing brush
Assignee: MULTI CLEAN PRODUCTS Inc
•
Filing: 1965-04-07
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Granted: 1966-12-13
•
Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert M Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:17
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A FLOOR SCRUBBING MACHINE, A DOWNWARDLY OPENING ANNULAR BASE, A BRUSH MOUNTED WITHIN THE BASE FOR ROTATION ON THE CENTER AXIS OF THE BASE, SAID BRUSH HAVING A HORIZONTALLY DISPOSED BACKBOARD ENCLOSED WITHIN THE BASE WITH BRISTLES COVERING THE UNDERSIDE OF AND EXTENDING DOWNWARDLY FROM THE BACKBOARD BEYOND THE BASE OPENING WHEREBY WHEN THE BRISTLES ARE ENGAGED WITH A FLOOR SURFACE THE BASE WILL BE SUPPORTED THEREBY IN SPACED RELATION TO THE SURFACE, SAID BACKBOARD HAVING THE HORIZONTAL CONFIGURATION OF AN EQUILATERAL POLYGON WITH THE CORNERS THEREOF LYING JUST WITHIN THE ANNULAR WALL OF THE BASE, AND THE BRISTLES ON THE CORNER AREAS OF THE BACKBOARD BEING FORMED OF A MATERIAL HAVING A GREATER RESISTANCE TO ABRASION THAN THE MATERIAL FORMING THE REMAINING BRISTLES IN THE BRUSH.
Claim 2
Dependent Claim
128 words
IN A FLOOR SCRUBBING MACHINE, A DOWNWARDLY OPENING ANNULAR BASE, A BRUSH MOUNTED WITHIN THE BASE FOR ROTATION ON THE CENTER AXIS OF THE BASE, SAID BRUSH HAVING A HORIZONTALLY DISPOSED BACKBOARD ENCLOSED WITHIN THE BASE WITH BRISTLES COVERING THE UNDERSIDE OF AND EXTENDING DOWNWARDLY FROM THE BACKBOARD BEYOND THE BASE OPENING WHEREBY WHEN THE BRISTLES ARE ENGAGED WITH A FLOOR SURFACE THE BASE WILL BE SUPPORTED THEREBY IN SPACED RELATION TO THE SURFACE, SAID BACKBOARD HAVING THE HORIZONTAL CONFIGURATION OF AN EQUILATERAL POLYGON WITH THE CORNERS THEREOF LYING JUST WITHIN THE ANNULAR WALL OF THE BASE, AND THE BRISTLES ON THE CORNER AREAS OF THE BACKBOARD BEING FORMED OF A MATERIAL HAVING A GREATER RESISTANCE TO ABRASION THAN THE MATERIAL FORMING THE REMAINING BRISTLES IN THE BRUSH.
References Cited (Backward Citations)
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FR1337633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |