US3290836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface finishing articles
Assignee: Individual
•
Filing: 1965-05-27
•
Granted: 1966-12-13
•
Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Peter P Ruppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:18
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/06; B24B31/062
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A METHOD OF SURFACE FINISHING ARTICLES COMPRISING: PROVIDING A SUCCESSION OF BEDS OF ABRASIVE PARTICLES AND ARTICLES TO BE FINISHED, SUBJECTING EACH BED TO VIBRATORY CONVEYING FORCES TO SET UP RELATIVE MOTION BEWEEN THE PARTICLES AND ARTICLES AND TO CAUSE THE PARTICLES AND ARTICLES TO MOVE GENERALLY ALONG SAID SUCCESSION OF BEDS, DEFECTING THE ARTICLES AND PARTICLES INTO A PATH COUNTER SAID GENERAL MOVEMENT ALONG THE SUCCESSION OF BEDS, FEEDING PARTICLES AND ARTICLES TO BE FINISHED TO A FIRST BED OF SAID SUCCESSION, TRANSFERRING PARTICLES AND ARTICLES BY SPILLING THEM FROM BED TO BED ALONG SAID SUCCESSION FROM THE FIRST BED, TRANSFERRING PARTICLES AND ARTICLES OUT OF THE LAST BED OF SAID SUCCESSION, AND SEPARATING THE PARTICLES FROM THE ARTICLES TRANSFERRED FROM THE LAST BED.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |