Patent US3748177A successfully refreshed from Google Patents.
US3748177A
Expired / Lapsed
US
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Method of simultaneous fluid processing and conveying
Assignee: Oxy Metal Finishing Corp
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Filing: 1972-03-29
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Granted: 1973-07-24
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Expires: 1992-03-29
Abstract
Abstract AN APPARATUS AND METHOD OF PROCESSING ELONGATED CUPSHAPED WORKPIECES THROUGH ONE OR A PLURALITY OF MODULAR PROCESSING UNITS, EACH OF WHICH INCORPORATES A PLURALITY OF FLUID STREAMS ORIENTED TO IMPINGE AGAINST THE SURFACES OF THE WORKPIECES, THEREBY EFFECTING A CONVEYANCE OF THE WORKPIECES THROUGH THE APPARATUS AND A CONCURRENT TREATMENT OF THE INTERIOR AND EXTERIOR SURFACES THEREOF.
Inventors
- 👤 J Neumann
- 👤 C Clark
- 👤 L Minbiole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:48
CPC Classifications
C; C23; C23C; C23C22/00
Claims Analysis
Total Claims: 0
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |