Patent US3001232A successfully refreshed from Google Patents.
US3001232A
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Apparatus for the continuous manufacture of microporous plastic webs
Assignee: Akkumulatorenfabrik Dr Leopold Jungfer
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Filing: 1959-05-26
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Granted: 1961-09-26
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Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Martinak Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:49
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/20; B29C67/205; B32; B32B; B32B27/00; B29K; B29K2025/00; B29K2025/04; B29K2025/06; B29K2027/00; B29K2027/06; B29K2033/00; B29K2033/04; B29K2033/12; B29K2105/00; B29K2105/04; B29K2105/041; B29L; B29L2031/00; B29L2031/34; B29L2031/3468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US80809A
Cited
US2734553A
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US2069589A
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US2329421A
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US2742668A
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US2688155A
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US2842796A
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US2927345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |