Patent US3312680A successfully refreshed from Google Patents.
Patent US3719549A successfully refreshed from Google Patents.
US3719549A
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US
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Abraded suede-like sheeting and process for same
Assignee: KALEX CHEMICAL PRODUCTS Inc
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Filing: 1971-02-05
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Granted: 1973-03-06
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Expires: 1991-02-05
Abstract
Abstract THE INVENTION DISCLOSED IS FOR PREPARATION OF A NEW SUEDE-LIKE PLASTIC SHEETING HAVING A DESIRABLY CONFIGURATED SURFACE WHICH PROVIDES AN IMPROVEMENT IN THE SURFACE TEXTURAL CHARACTERISTIC THEREOF.
Inventors
- 👤 E Mittman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:19
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; D; D06; D06N; D06N3/00; D06N3/007; D06N3/0075; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B32B38/00; B32B38/06; B32B2451/00; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24512; Y10T428/24521; Y10T428/24802; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |