Patent US2028046A successfully refreshed from Google Patents.
Patent US3420280A successfully refreshed from Google Patents.
US3420280A
Expired / Lapsed
US
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Wire twisting device
Assignee: CHARDON METAL PRODUCTS CO
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Filing: 1965-06-04
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Granted: 1969-01-07
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Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Anderson A Allyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:38
CPC Classifications
B; B65; B65B; B65B13/00; B65B13/18; B65B13/24; B65B13/28; B65B13/285; B21; B21F; B21F15/00; B21F15/02; B21F15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2898789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |