Patent US3529049A successfully refreshed from Google Patents.
US3529049A
Expired / Lapsed
US
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Method of making a microporous sheet material having an airpermeable coating
Assignee: Rogers Corp
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Filing: 1966-10-25
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Granted: 1970-09-15
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Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Jerrold J Abell
- 👤 Bruce G Kosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:13
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0095; D06N3/04; D06N3/042; D06N3/12; D06N3/121; D06N3/123; D06N3/14; D06N2205/00; D06N2205/02; D06N2209/00; D06N2209/12; D06N2209/121; D06N2209/16; D06N2209/1664; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322
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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |