Patent US2791069A successfully refreshed from Google Patents.
US2791069A
Expired / Lapsed
US
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Machines for polishing or otherwise treating headed articles
Assignee: ALUMINUM BRONZE Co Ltd
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Filing: 1954-07-20
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Granted: 1957-05-07
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Expires: 1974-07-20
Abstract
No abstract record available.
Inventors
- 👤 Cleiff Joseph Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:09
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2120194A
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US2156562A
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US2507186A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |