US3501326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glossy microporous sheet material
Assignee: EIDP Inc
•
Filing: 1966-10-28
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Granted: 1970-03-17
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jerome Hochberg
- 👤 John L Palermo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:45
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/14; D06N3/007; D06N3/0077; D06N3/18; D06N3/183; D06N3/186; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/24998; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31855; Y10T428/31938; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2139; Y10T442/2148
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |