Patent US3503033A successfully refreshed from Google Patents.
US3503033A
Expired / Lapsed
US
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Coil spring connector
Assignee: General Electric Co
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Filing: 1967-12-12
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Granted: 1970-03-24
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Kennedy Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:01
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K3/308; H01; H01R; H01R12/00; H01R12/70; H01R12/71; H01R12/712; H01R12/716
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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |