Patent US2438504A successfully refreshed from Google Patents.
US2438504A
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US
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Storm attachment for high line tools
Assignee: AB Chance Co
•
Filing: 1944-11-23
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Granted: 1948-03-30
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Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 David C Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:47
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/12; H01R11/14; H01R11/15; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881684A
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US1045679A
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US1362388A
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US1282653A
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US1840150A
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FR662160A
Cited
US1946239A
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GB420398A
Cited
US1994938A
Cited
US2194411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |