US2656653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine with wheel surface position indicator
Assignee: Gardner Machine Co
•
Filing: 1950-12-16
•
Granted: 1953-10-27
•
Expires: 1970-12-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:11
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/16; B24B7/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1638028A
Cited
US1961849A
Cited
US1891777A
Cited
US2142444A
Cited
US2087662A
Cited
US2209711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |