US2854795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding apparatus
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1954-10-11
•
Granted: 1958-10-07
•
Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 William E Mccown
- 👤 James W Mcauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:23
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/20; B24B7/22; B24B7/24; B24B7/247; B24B7/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1474672A
Cited
US1833360A
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US2460919A
Cited
US2554701A
Cited
US2651148A
Cited
US2580716A
Cited
US2726144A
Cited
US2804725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |