Patent US2856480A successfully refreshed from Google Patents.
US2856480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage switch
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1954-09-09
•
Granted: 1958-10-14
•
Expires: 1974-09-09
Abstract
No abstract record available.
Inventors
- 👤 Westerhoff Luise Ger Charlotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:29
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/80; H01H33/82; H01H33/83; H01H1/00; H01H1/50; H01H33/02; H01H33/04; H01H33/12; H01H33/121; H01H5/00; H01H5/04; H01H5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US695118A
Cited
US1043014A
Cited
US1895907A
Cited
US1904577A
Cited
US2290320A
Cited
US2230735A
Cited
DE716684C
Cited
US2250208A
Cited
US2250216A
Cited
US2382786A
Cited
US2449518A
Cited
GB582687A
Cited
US2480553A
Cited
US2747055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |