Patent US3020518A successfully refreshed from Google Patents.
US3020518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solderless electrical connectors
Assignee: Individual
•
Filing: 1959-03-05
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Granted: 1962-02-06
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Expires: 1979-03-05
Abstract
No abstract record available.
Inventors
- 👤 Camping Ralph
- 👤 Gertrude W Camping
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/38; H01R13/00; H01R13/58; H01R13/595; Y; Y10; Y10S; Y10S439/00; Y10S439/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777312A
Cited
US2043851A
Cited
US2671127A
Cited
US2576174A
Cited
US2798113A
Cited
US2836647A
Cited
US2896186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |