US3147575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor pad
Assignee: Armour and Co
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Filing: 1963-02-08
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Granted: 1964-09-08
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Schnabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:09
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/06; A47L13/07; A47L11/00; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L11/40; A47L11/4036; A47L11/4038; B; B24; B24D; B24D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A FLOOR PAD ADAPTED TO BE ROTATED AGAINST A SURFACE TO CUT THE SURFACE WITH ONE PORTION OF THE PAD, FORMING POWDER FRAGMENTS, AND WITH ANOTHER PORTION OF THE PAD TO SWEEP AND ABSORB SAID FRAGMENTS, COMPRISING A FIBER BAND HAVING AN EDGE PORTION PROVIDED WITH ABRASIVE GRANULES, THE BAND BEING IN SPIRAL FORM AND THE BAND PORTIONS BEING SPACED FROM EACH OTHER, AND A NON-CUTTING, POROUS, FIBROUS BAND EXTENDING BETWEEN SAID CUTTING BAND PORTIONS TO FORM THE SPIRAL COUNTERPART THEREOF AND TO PROVIDE A PAD SURFACE IN THE SHAPE OF A HELIX.
Claim 2
Dependent Claim
93 words
A FLOOR PAD ADAPTED TO BE ROTATED AGAINST A SURFACE TO CUT THE SURFACE WITH ONE PORTION OF THE PAD, FORMING POWDER FRAGMENTS, AND WITH ANOTHER PORTION OF THE PAD TO SWEEP AND ABSORB SAID FRAGMENTS, COMPRISING A FIBER BAND HAVING AN EDGE PORTION PROVIDED WITH ABRASIVE GRANULES, THE BAND BEING IN SPIRAL FORM AND THE BAND PORTIONS BEING SPACED FROM EACH OTHER, AND A NON-CUTTING, POROUS, FIBROUS BAND EXTENDING BETWEEN SAID CUTTING BAND PORTIONS TO FORM THE SPIRAL COUNTERPART THEREOF AND TO PROVIDE A PAD SURFACE IN THE SHAPE OF A HELIX.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |