US3468614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for bringing gases,liquids and/or pulverized solid bodies into intimate contact with each other
Assignee: Individual
•
Filing: 1966-03-15
•
Granted: 1969-09-23
•
Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Goran Alfred Nilsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:56
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/04; F23D11/08; B; B01; B01F; B01F25/00; B01F25/70; B01F25/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480699A
Cited
US2901177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |