Patent US2744546A successfully refreshed from Google Patents.
US2744546A
Expired / Lapsed
US
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Machine for bending wire into irregular sinuous form
Assignee: American Metal Products Co
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Filing: 1952-06-04
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Granted: 1956-05-08
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Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Richard J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:12
CPC Classifications
B; B21; B21F; B21F35/00; B21F35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US190265A
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US936123A
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US1007968A
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US1488850A
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US1742966A
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US1863513A
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US2086736A
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FR867035A
Cited
US2336611A
Cited
GB565797A
Cited
US2549061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |