US3519310A
Expired / Lapsed
US
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Method and apparatus for fluidizing activation of particulate,granular,viscous and similar materials
Assignee: Kockums Mekaniska Verkstads AB
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Filing: 1968-11-22
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Granted: 1970-07-07
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Expires: 1988-11-22
Abstract
No abstract record available.
Inventors
- 👤 Bengt Lennart Holm
- 👤 Sven Ivan Arvid Tornmarck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:46
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/72; B01; B01F; B01F33/00; B01F33/40; B01F33/406; B01F33/4062; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/40; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1641; B65G2812/165
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |