US3587985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-processing unit
Assignee: Pangborn Corp
•
Filing: 1969-01-14
•
Granted: 1971-06-28
•
Expires: 1989-01-14
Abstract
Abstract A PROCESSING UNIT PARTICULARLY FOR AUTOMOBILE BODIES, SHEET METAL SCRAP, AND OTHER SOLID WASTE, UTILIZING A PAIR OF ROTARY COMPACTORS PLACED SIDE-BY-SIDE AND TO OPEN THE OUTER SURROUNDING SHELL BETWEEN THE TWO ALLOWING THE MATERIAL PASSING THROUGH THE MACHINE ACCESS BETWEEN THE TWO ROTORS OF THE COMPACTORS.
Inventors
- 👤 Roy M Eidal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:57
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B9/326; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/248
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |