US3389650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing-filters and device for using such packing-filters
Assignee: Miko PVBA
•
Filing: 1965-04-14
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Granted: 1968-06-25
•
Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Michielsen Franciscus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:32
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/8043; B65D85/8061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876474A
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US1953291A
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US2234397A
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US2358556A
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US2630227A
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US2743664A
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US2936695A
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US2859878A
Cited
US3083101A
Cited
US3030874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |