Patent US3255335A successfully refreshed from Google Patents.
US3255335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive switch comprising carbon
Assignee: Ion Physics Corp
•
Filing: 1964-01-02
•
Granted: 1966-06-07
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Kortelink Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H10; H10N; H10N60/00; H10N60/30; H10N60/35; H10N60/355; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/882
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1306948A
Cited
US870577A
Cited
US2736830A
Cited
US3048707A
Cited
US3098967A
Cited
US3150291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |