US3391049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smooth, moisture-permeable shoe upper material
Assignee: EIDP Inc
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Filing: 1967-10-09
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Granted: 1968-07-02
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 William F Manwaring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
B; B32; B32B; B32B27/00; D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0013; D06N3/007; D06N3/0079; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249958; Y10T428/249978; Y10T428/27; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3724; 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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |