Patent US2596347A successfully refreshed from Google Patents.
US2596347A
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US
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Crane control system
Assignee: Louden Machinery Co
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Filing: 1948-04-17
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Granted: 1952-05-13
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Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Spafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:35
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C13/22; B66C13/30; B66C2700/00; B66C2700/08; B66C2700/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1039272A
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US1064411A
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US1787500A
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US1552004A
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US1694084A
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US1922251A
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US2156636A
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US2392417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |