US2957780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rug cushions
Assignee: SMITH Manufacturing Co Ltd
•
Filing: 1957-02-25
•
Granted: 1960-10-25
•
Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Stephens
- 👤 Carl M Smith
- 👤 Ernest E Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:45
CPC Classifications
B; B32; B32B; B32B27/00; A; A47; A47C; A47C27/00; A47C27/22; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; D04H1/488; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/2457; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T442/00; Y10T442/20; Y10T442/2139
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
70 words
THE METHOD OF MAKING A RUG CUSHION FROM A CONVENTIONAL NEEDLE LOOM FELT MAT WHICH COMPRISES IMPREGNATING SAID MAT THROUGHOUT WITH A BINDER CAPABLE OF FORMING A SUBSTANITALLY POROUS BODY OF BONDED FIBERS HAVING RESILIENT CHARACTERISTICS, AND COATING THE FIBERS ON AT LEAST ONE SURFACE LAYER OF SAID MAT WITH AN ELASTOMERIC BINDER, THE AMOUNT OF THE ELASTOMERIC BINDER EMPLOYED BEING INSUFFICIENT TO DESTROY THE POROSITY OF THE IMPREGNATED MAT.
Claim 2
Independent Claim
70 words
THE METHOD OF MAKING A RUG CUSHION FROM A CONVENTIONAL NEEDLE LOOM FELT MAT WHICH COMPRISES IMPREGNATING SAID MAT THROUGHOUT WITH A BINDER CAPABLE OF FORMING A SUBSTANITALLY POROUS BODY OF BONDED FIBERS HAVING RESILIENT CHARACTERISTICS, AND COATING THE FIBERS ON AT LEAST ONE SURFACE LAYER OF SAID MAT WITH AN ELASTOMERIC BINDER, THE AMOUNT OF THE ELASTOMERIC BINDER EMPLOYED BEING INSUFFICIENT TO DESTROY THE POROSITY OF THE IMPREGNATED MAT.
Claim 3
Dependent Claim
43 words
THE METHOD OF MAKING A RUG CUSHION AS CLAIMED IN CLAIM 1 INCLUDING THE STEP OF EMBOSSING SAID COATED SURFACE OF SAID MAT WITH A PATTERN OF SPACED PROTUBERANCES WHILE SAID MAT IS MOIST TO INCREASE ITS RESILIENT CHARACTER AND DRYING SAID MAT.
References Cited (Backward Citations)
US2097417A
Cited
US2314162A
Cited
US2292118A
Cited
US2327573A
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US2550465A
Cited
US2585108A
Cited
US2585109A
Cited
US2669527A
Cited
US2803577A
Cited
US2746894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |