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Patent US2769507A successfully refreshed from Google Patents.
US2769507A
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Frame contact lift
Assignee: FARM TOOLS Inc
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Filing: 1953-07-10
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Granted: 1956-11-06
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Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 James J Pelouch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:46
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/10; B66F7/16; B66F7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US895834A
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US978826A
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US1105438A
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US2229113A
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US2593635A
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US2458986A
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US2552974A
Cited
US2581137A
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US2612355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |