Patent US3422389A successfully refreshed from Google Patents.
US3422389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety plug block
Assignee: Individual
•
Filing: 1966-08-01
•
Granted: 1969-01-14
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 James L Husebo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:41
CPC Classifications
H; H01; H01R; H01R31/00; H01R13/00; H01R13/60; H01R13/02; H01R13/20; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5566
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE353296C
Cited
US2188419A
Cited
US2662389A
Cited
US2785386A
Cited
US2742623A
Cited
US3281758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |