US3149013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for attaching a backing to a fibrous body
Assignee: General Foods Corp
•
Filing: 1960-06-16
•
Granted: 1964-09-15
•
Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 Earl E Browning
- 👤 Mark J Perkovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:27
CPC Classifications
B; B21; B21F; B21F45/00; A; A47; A47L; A47L13/00; A47L13/02; A47L13/04; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CONTINUOUS METHOD OF FORMING A SCOURING PAD COMPOSED OF A MASS OF METAL WOOL FILAMENTS HAVING A BACKING ADHERED THERETO, COMPRISING MOVING A MASS OF METAL WOOL FILAMENTS OF A SIZE SUITABLE FOR FORMING AN INDIVIDUAL SCOURING PAD ALONG A PREDETERMNED PATH AND WHILE SAID MASS IS SO MOVING, BRINGING INTO CONTACT THEREWITH A THIN FLEXIBLE BACKING OF DIMENSIONS SUCH THAT IT WILL SUBSTANTIALLY OVERLIE ONLY A SINGLE SAID MASS, SAID BACKING HAVING ADHERED THERETO A COMPOSITION HEAT ACTIVATABLE TO A FLOWABLE CONDITION, PRESSING SAID BACKINGN AGAINST SAID MASS, THEREAFTER HEATING SAID COMPOSITION TO ACTIVATE IT AND CAUSE IT TO FLOW AND INTMATELY CONTACT FILAMENTS OF SAID MASS, AND THEN COOLING SAID COMPOSITION TO SOLIDIFY IT ABOUT SAID FILAMENTS AND THEREBY INTERLOCK SAID MASS AND SAID BACKING, SAID MASS BEING MAINTAINED IN MOTION DURING SAID PRESSING, HEATING AND COOLING THEREOF.
Claim 2
Dependent Claim
141 words
A CONTINUOUS METHOD OF FORMING A SCOURING PAD COMPOSED OF A MASS OF METAL WOOL FILAMENTS HAVING A BACKING ADHERED THERETO, COMPRISING MOVING A MASS OF METAL WOOL FILAMENTS OF A SIZE SUITABLE FOR FORMING AN INDIVIDUAL SCOURING PAD ALONG A PREDETERMNED PATH AND WHILE SAID MASS IS SO MOVING, BRINGING INTO CONTACT THEREWITH A THIN FLEXIBLE BACKING OF DIMENSIONS SUCH THAT IT WILL SUBSTANTIALLY OVERLIE ONLY A SINGLE SAID MASS, SAID BACKING HAVING ADHERED THERETO A COMPOSITION HEAT ACTIVATABLE TO A FLOWABLE CONDITION, PRESSING SAID BACKINGN AGAINST SAID MASS, THEREAFTER HEATING SAID COMPOSITION TO ACTIVATE IT AND CAUSE IT TO FLOW AND INTMATELY CONTACT FILAMENTS OF SAID MASS, AND THEN COOLING SAID COMPOSITION TO SOLIDIFY IT ABOUT SAID FILAMENTS AND THEREBY INTERLOCK SAID MASS AND SAID BACKING, SAID MASS BEING MAINTAINED IN MOTION DURING SAID PRESSING, HEATING AND COOLING THEREOF.
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |