US2660327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crate lifting attachment
Assignee: AO Smith Corp
•
Filing: 1949-12-05
•
Granted: 1953-11-24
•
Expires: 1969-12-05
Abstract
No abstract record available.
Inventors
- 👤 Albert V Blatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:25
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1868562A
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US2272447A
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US2399824A
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US2413661A
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US2441750A
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US2465133A
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US2447300A
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US2547329A
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US2566863A
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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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |