US2495448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Response counter for totalizing current surges of varying magnitudes
Assignee: Landis and Gyr AG
•
Filing: 1945-03-27
•
Granted: 1950-01-24
•
Expires: 1965-03-27
Abstract
No abstract record available.
Inventors
- 👤 Fehr Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:46
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/04; H02H3/048; G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351164A
Cited
US1403182A
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US1549456A
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US1513811A
Cited
US1744259A
Cited
US2200233A
Cited
US2367329A
Cited
US2340635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |