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Patent US2919092A successfully refreshed from Google Patents.
US2919092A
Expired / Lapsed
US
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Collapsible stand for power units
Assignee: John Oster Manufacturing Co
•
Filing: 1956-02-14
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Granted: 1959-12-29
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Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony R Chasar
- 👤 Richard J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/22; B25; B25H; B25H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2191191A
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US2304027A
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US2666681A
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US2692807A
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US2757998A
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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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |