Patent US3333975A successfully refreshed from Google Patents.
Patent US1134837A successfully refreshed from Google Patents.
Patent US2933858A successfully refreshed from Google Patents.
US2933858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface grinding machine
Assignee: Milacron Inc
•
Filing: 1956-04-27
•
Granted: 1960-04-26
•
Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Ashley C Glenn
- 👤 Albert H Dall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:29
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/02; B24B47/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1850392A
Cited
GB101122A
Cited
US1905127A
Cited
US1978110A
Cited
US2022542A
Cited
US2176985A
Cited
US2127877A
Cited
US2178022A
Cited
US2350229A
Cited
US2412284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |