US3753269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cloth cleaner
Assignee: Individual
•
Filing: 1971-05-21
•
Granted: 1973-08-21
•
Expires: 1991-05-21
Abstract
Abstract A tool for cleaning abrasive paper. A bar having a narrow top edge is fixed to a handle, the handle also carrying a brush. The bar is inserted beneath abrasive paper to open the clogged areas, the brush then displacing the debris between the abrasive particles.
Inventors
- 👤 R Budman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:13
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/10; B24B21/00; B24B21/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
A tool for cleaning an abrasive cloth or paper including: a. a horizontal bar having an upper continuous edge, b. a vertical standard secured at its bottom to one end of said bar, c. a horizontally disposed brush where bristles are downwardly directed and lie generally in a plane containing said bar edge, d. means for slidably mounting said brush on said vertical standard, whereby the bristles of the brush may move away from the bar to define a gap therebetween.
Claim 2
Dependent Claim
81 words
A tool for cleaning an abrasive cloth or paper including: a. a horizontal bar having an upper continuous edge, b. a vertical standard secured at its bottom to one end of said bar, c. a horizontally disposed brush where bristles are downwardly directed and lie generally in a plane containing said bar edge, d. means for slidably mounting said brush on said vertical standard, whereby the bristles of the brush may move away from the bar to define a gap therebetween.
Claim 3
Dependent Claim
19 words
The cleaning tool of claim 1 wherein said bar edge is defined by the intersection of two planar surfaces.
Claim 4
Dependent Claim
19 words
The cleaning tool of claim 1 including, a. means for biasing said brush downwardly, towards and against said bar.
Claim 5
Dependent Claim
50 words
The cleaning tool of claim 1 wherein said (d) means is defined by: a. an angle member having a horizontal portion affixed to the brush and a vertical portion slidable on said vertical standard, b. a sleeve for maintaining said vertical angle member and said vertical standard in slidable parallelism.
Claim 6
Dependent Claim
30 words
The cleaning tool of claim 4 including a tension spring connected between said vertical standard and said vertical angle member to bias said brush downwardly, towards and against said bar.
References Cited (Backward Citations)
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Cited
US1927476A
Cited
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Cited
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Cited
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Cited
US3085268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |