US3147883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharging cellulosic fibrous material in bulk form
Assignee: A EKSTROMS AB
•
Filing: 1960-04-08
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Granted: 1964-09-08
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Expires: 1980-04-08
Abstract
No abstract record available.
Inventors
- 👤 Jakobson Karl Folke Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:48
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/42; B65G3/00; B65G3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR850428A
Cited
US2920355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |