US2721584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead-in wire orienting apparatus
Assignee: GTE Sylvania Inc
•
Filing: 1951-12-31
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Granted: 1955-10-25
•
Expires: 1971-12-31
Abstract
No abstract record available.
Inventors
- 👤 Eric L Midgley
- 👤 Charles A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:05
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/38; H01J9/24; H01J9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1907532A
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US2297950A
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US2653631A
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US2570186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |