US3496056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather-like microporous sheet material
Assignee: UNIROYAL PLASTICS COMPANY Inc WORLD HEADQUARTERS MIDDLEBURY CT 06749 A CORP OF
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Filing: 1969-02-06
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Granted: 1970-02-17
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Expires: 1989-02-06
Abstract
No abstract record available.
Inventors
- 👤 Robert N Steel
- 👤 Paul V Butsch
- 👤 Richard T Nojiri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:17
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0015; A; A43; A43B; A43B23/00; A43B23/02; A43B23/0205; A43B23/0215; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; D06N3/0013; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3715; Y10T442/378; Y10T442/3813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |