US3073716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a cleaning pad
Assignee: Truly Magic Products Inc
•
Filing: 1957-11-08
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Granted: 1963-01-15
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 James R Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:30
CPC Classifications
B; B24; B24D; B24D18/00; A; A47; A47L; A47L1/00; A47L1/06; A47L1/15; A47L13/00; A47L13/10; A47L13/16; B24D11/00; B24D11/001; B24D11/003; B24D15/00; B24D15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
259 words
THE METHOD OF MAKING A CLEANING PAD HAVING A SPONGE BODY WITH ITS WORKING FACE HAVING CRATERS AND PROVIDED WITH THICK SEPARATED STRIPES OF GRANULATED SOLIDS ADHESIVELY KEYED INTO THE CRATERS OF SAID WORKING FACE, WHICH COMPRISES (A) PASSING THE UNDERSIDE OF A CONTINUOUSLY MOVING SURFACE THROUGH A BODY OF SLURRY OF SAID GRANULATED SOLIDS AND ADHESIVE TO ADHERE SAID SLURRY THERETO, (B) THEREAFTER PASSING SAID MOVING SURFACE UPWARDLY FROM SAID BODY TO REMOVE A CONTINUOUS LAYER OF SAID SLURRY FROM SAID BODY ADHERED TO SAID UNDERSIDE OF SAID SURFACE, (C) REMOVING PORTIONS OF SAID LAYER OF SLURRY FROM SAID SURFACE AT SPACED INTERVALS TRANSVERSELY OF THE LINE OF MOVEMENT OF SAID SURFACE TO LEAVE A SERIES OF INDIVIDUAL TRANSVERSELY SPACED STRIPES OF SAID SLURRY ON SAID SURFACE WHICH EXTEND IN THE DIRECTION OF MOVEMENT OF SAID SURFACE, (D) INVERTING SAID UNDERSIDE OF SAID MOVING SURFACE TO MOVE SAID STRIPES LONGITUDINALLY ALONG THE TOP SIDE THEREOF, )E) PRESSING A SPONGE BODY DOWNWARDLY AGAINST SAID MOVING TOP SIDE OF SAID SURFACE TO REMOVE SAID STRIPES OF SLURRY THEREFORM, AND (F) MOVING SAID SPONGE BODY IN THE DIRECTION OPPOSITE TO THE MOVEMENT OF SAID TOP SIDE OF SAID MOVING SURFACE OT BRING PROGRESSIVELY DIFFERENT PARTS OF SAID SPONGE BODY INTO CONTACT WITH SAID STRIPES OF SLURRY AND TO PILE UP SAID STRIPES OF SLURRY FROM SAID TOP SIDE OF SAID MOVING SURFACE ONTO THE UNDERSIDE OF SAID SPONGE BODY TO FILL SAID CRATERS AND PRODUCE RAISED STRIPES OF SAID GRANULATED SOLIDS AND ADHESIVE ON SAID WORKING FACE OF SAID SPONGE BODY.
Claim 2
Independent Claim
259 words
THE METHOD OF MAKING A CLEANING PAD HAVING A SPONGE BODY WITH ITS WORKING FACE HAVING CRATERS AND PROVIDED WITH THICK SEPARATED STRIPES OF GRANULATED SOLIDS ADHESIVELY KEYED INTO THE CRATERS OF SAID WORKING FACE, WHICH COMPRISES (A) PASSING THE UNDERSIDE OF A CONTINUOUSLY MOVING SURFACE THROUGH A BODY OF SLURRY OF SAID GRANULATED SOLIDS AND ADHESIVE TO ADHERE SAID SLURRY THERETO, (B) THEREAFTER PASSING SAID MOVING SURFACE UPWARDLY FROM SAID BODY TO REMOVE A CONTINUOUS LAYER OF SAID SLURRY FROM SAID BODY ADHERED TO SAID UNDERSIDE OF SAID SURFACE, (C) REMOVING PORTIONS OF SAID LAYER OF SLURRY FROM SAID SURFACE AT SPACED INTERVALS TRANSVERSELY OF THE LINE OF MOVEMENT OF SAID SURFACE TO LEAVE A SERIES OF INDIVIDUAL TRANSVERSELY SPACED STRIPES OF SAID SLURRY ON SAID SURFACE WHICH EXTEND IN THE DIRECTION OF MOVEMENT OF SAID SURFACE, (D) INVERTING SAID UNDERSIDE OF SAID MOVING SURFACE TO MOVE SAID STRIPES LONGITUDINALLY ALONG THE TOP SIDE THEREOF, )E) PRESSING A SPONGE BODY DOWNWARDLY AGAINST SAID MOVING TOP SIDE OF SAID SURFACE TO REMOVE SAID STRIPES OF SLURRY THEREFORM, AND (F) MOVING SAID SPONGE BODY IN THE DIRECTION OPPOSITE TO THE MOVEMENT OF SAID TOP SIDE OF SAID MOVING SURFACE OT BRING PROGRESSIVELY DIFFERENT PARTS OF SAID SPONGE BODY INTO CONTACT WITH SAID STRIPES OF SLURRY AND TO PILE UP SAID STRIPES OF SLURRY FROM SAID TOP SIDE OF SAID MOVING SURFACE ONTO THE UNDERSIDE OF SAID SPONGE BODY TO FILL SAID CRATERS AND PRODUCE RAISED STRIPES OF SAID GRANULATED SOLIDS AND ADHESIVE ON SAID WORKING FACE OF SAID SPONGE BODY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |