US3611646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supporting the pulley of the belt grinder
Assignee: Nitto Kohki Co Ltd
•
Filing: 1969-10-23
•
Granted: 1971-10-12
•
Expires: 1989-10-23
Abstract
Abstract THE PRESENT INVENTION RELATES TO A SUPPORT FOR A PULLEY AND MORE PARTICULARLY TO A SUPPORT FOR A PULLEY OF THE BELT GRINDER, THE ATTACHMENT ANGLE OF WHICH IS FREELY CONTROLLED AND THE TENSION OF THE GRINDING BELT CAN BE KEPT UNIFORM.
Inventors
- 👤 William M Cameron
- 👤 Tadao Tanoi
- 👤 Kyoich Hirokawa Yoshio Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:07
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/06; B24B21/00
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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |