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Patent US2465024A successfully refreshed from Google Patents.
US2465024A
Expired / Lapsed
US
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Pike pole
Assignee: Individual
•
Filing: 1945-02-07
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Granted: 1949-03-22
•
Expires: 1965-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert F Ludt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:53
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US433001A
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US537088A
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US625201A
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US1325292A
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US1573539A
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US1808891A
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US675118A
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US856159A
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US1154704A
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US1741970A
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US1752013A
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US1904656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |