Patent US5334968A successfully refreshed from Google Patents.
Patent US3018591A successfully refreshed from Google Patents.
US3018591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the working in stages of the surfaces of workpieces on a grinding or polishing train
Assignee: Metabowerke GmbH and Co
•
Filing: 1958-06-09
•
Granted: 1962-01-30
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Wrobbel Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:14
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B23; B23Q; B23Q7/00; B23Q7/16; B23Q7/165; B24B17/00; B24B17/02; B24B17/023; B24B3/00; B24B3/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |