US2668615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for simultaneously feeding two wires
Assignee: Madison Management Group Inc
•
Filing: 1951-03-23
•
Granted: 1954-02-09
•
Expires: 1971-03-23
Abstract
No abstract record available.
Inventors
- 👤 Peter M Sampatacos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:30
CPC Classifications
B; B21; B21F; B21F23/00; B21F23/002; B21F3/00; B21F3/02; B21F3/04; B21F35/00; B21F35/003; F; F16; F16F; F16F1/00; F16F1/02; F16F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US332525A
Cited
US357342A
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US1319974A
Cited
GB190225887A
Cited
GB190820307A
Cited
DE458124C
Cited
DE604308C
Cited
US2083309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |