Patent US3557593A successfully refreshed from Google Patents.
US3557593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for forming workable materials
Assignee: Schloemann AG
•
Filing: 1969-01-02
•
Granted: 1971-01-26
•
Expires: 1989-01-02
Abstract
Abstract A DEVICED FOR FORMING MATERIAL, HAVING TWO CO-OPERATING TOOL RINGS WITH FORMING SECTORS WHICH MOVE TOWARDS EACH OTHER TO FORM THE MATERIAL, EACH TOOL RING BEING ECCENTRICALLY MOUNTED AND HAVING A GEAR WHICH MESHES WITH A GEAR ON AN ECCENTRICALLY-MOUNTED CONTROL SYSTEM, THE NUMBER OF TEETH ON THE GEARS BEING RELATED THAT THE MATERIAL IS FORMED IN STAGES WITH THE EFFECTIVE PAIR OF FORMING SECTORS CHANGING AFTER EACH STAGE.
Inventors
- 👤 Georg Bollig
- 👤 Hans Thiemann
- 👤 Otto Dopper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:49
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/18; B21B1/00; B21B1/42; B21B13/16; B21J; B21J7/00; B21J7/02; B21J7/18; B21J9/00; B21J9/02
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |