US2405121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counting device for overvoltage
Assignee: Landis and Gyr AG
•
Filing: 1943-08-05
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Granted: 1946-08-06
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Expires: 1963-08-05
Abstract
No abstract record available.
Inventors
- 👤 Fehr Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:58
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/02; G; G01; G01R; G01R13/00; G01R13/04; G01R19/00; G01R19/165; G01R19/16533; G01R19/16538; H02; H02H; H02H3/00; H02H3/02; H02H3/04; H02H3/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-05 | 1950-02-04 | 1950-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-05 | 1954-02-04 | 1954-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-05 | 1958-02-04 | 1958-08-06 | $7700.00 | Window Closed / Lapsed |