US3220550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating apparatus
Assignee: Howe Sound Co
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Filing: 1963-02-27
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Granted: 1965-11-30
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Expires: 1983-02-27
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Jack James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:37
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/165; B07C5/18; B07C5/20; Y; Y10; Y10S; Y10S209/00; Y10S209/90; Y10S209/922; Y10S209/934
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
THE METHOD OF CONVEYING A STREAM OF ARTICLES OF UNKNOWN WEIGHT ALONG A FIRST PATH FROM A SOURCE OF SAID ARTICLES TO A SEPARATING STATION; DIRECTING AN AIR BLAST OF PREDETERMINED FORCE UPWARDLY AGAINST SAID ARTICLES; LIFTING THOSE ARTICLE BELOW A PRESELECTED WEIGHT VERTICALLY AT LEAST ABOVE A PRESELECTED REFERENCE PLANE; CAUSING THOSE ARTICLES OF A WEIGHT GREATER THAN SAID PREDETERMINED WEIGHT TO PASS BENEATH SAID PRESELECTED REFERENCE PLANE THEREBY SEPARATING THOSE ARTICLES ABOVE SAID PLANE FROM THOESE BELOW SAID PLANE; CONVEYING ALL ARTICLES PASSING BELOW SAID
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |