US3674611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative surface coverings
Assignee: Congoleum Corp
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Filing: 1970-04-10
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Granted: 1972-07-04
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Expires: 1990-04-10
Abstract
Abstract A RESINOUS SURFACE COVERING HAVING ON THE SURFACE THEREOF A PLURALITY OF RAISED CELLULAR AREAS AND A PLURALITY OF NON-ELEVATED AREAS ADJACENT TO SAID RAISED AREAS, THE NON-ELECATED AREAS HAVING FLOCKED TEXTILE FIBERS ADHESIVELY EMBEDDED THEREIN; THE HEIGHT DIFFERENTIAL BETWEEN THE ELEVATED AND NON-ELEVATED AREAS BEING ACHIEVED BY EITHER A MECHANICAL OR CHEMICAL EMBOSSING TECHNIQUE.
Inventors
- 👤 Robert K Petry
- 👤 Harry A Shortway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:05
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/26; B32B3/263; B44; B44C; B44C3/00; B44C3/04; B44C3/044; B32B27/00; B32B27/06; B32B27/065; B32B3/02; D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06Q; D06Q1/00; D06Q1/06; B32B2307/00; B32B2307/50; B32B2307/582; B32B2307/5825; B32B2451/00; Y; Y10; Y10S; Y10S264/00; Y10S264/82; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23943; Y10T428/23979; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |