Patent US2571748A successfully refreshed from Google Patents.
US2571748A
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US
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Sprocket chain package
Assignee: LOCKE STEEL CHAIN CO
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Filing: 1949-05-14
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Granted: 1951-10-16
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Expires: 1969-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:46
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0006; B65D19/0008; B65D19/001; B65D19/0012; B65D19/38; B65D19/44; B65D71/00; B65D71/0088; B65D71/0092; B65D71/0096; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00019; B65D2519/00049; B65D2519/00054; B65D2519/00084; B65D2519/00089; B65D2519/00258; B65D2519/00263; B65D2519/00273; B65D2519/00278; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00318; B65D2519/00328; B65D2519/00343; B65D2519/00368; B65D2519/00373; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00562; B65D2571/00; B65D2571/00006; B65D2571/00043; B65D2571/00055; B65D2571/00111
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1458172A
Cited
US1574904A
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US1498245A
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US1588121A
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US1850714A
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US1917886A
Cited
US2129488A
Cited
US2444326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |