Patent US3535181A successfully refreshed from Google Patents.
US3535181A
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Process for making consolidated batts of microcellular filamentary material
Assignee: EIDP Inc
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Filing: 1966-12-28
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Granted: 1970-10-20
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Malak E Yunan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; D; D04; D04H; D04H13/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/24998; Y10T428/249981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464301A
Cited
US3106507A
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US3180778A
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US3179551A
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US3227664A
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US3344221A
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US3278954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |