US2650732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination fork and finger lift attachment
Assignee: AO Smith Corp
•
Filing: 1950-08-30
•
Granted: 1953-09-01
•
Expires: 1970-08-30
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hartquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:28
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/14; B66F9/147; B66F9/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1835431A
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US1943742A
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US2175041A
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US2445614A
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US2447300A
Cited
US2496399A
Cited
US2456320A
Cited
US2483534A
Cited
US2547329A
Cited
US2513928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |