US3606974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material treating apparatus
Assignee: Individual
•
Filing: 1969-04-04
•
Granted: 1971-09-21
•
Expires: 1989-04-04
Abstract
Abstract A NOZZLE ASSEMBLY FOR TREATING MATERIALS BY IMPINGEMENT OF A HIGH VELOCITY GASEOUS MEDIUM COMPRISING A PLENUM CHAMBER AND A GENERALLY TRIANGULARLY SHAPED NOZZLE ATTACHED TO SAID PLENUM CHAMBER AND COMMUNICATING THEREWITH.
Inventors
- 👤 Nelson M Steel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:01
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; F26B21/55
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |