Patent US3404712A successfully refreshed from Google Patents.
US3404712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead straightening device
Assignee: Signetics Corp
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Filing: 1965-10-23
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Granted: 1968-10-08
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Claus P J Suverkropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:40
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/02; H05K13/023; H05K13/024; H05K13/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |