US3508243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetry arrangements utilizing power distributing networks for measuring consumption
Assignee: Electrometre SA
•
Filing: 1967-01-09
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Granted: 1970-04-21
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Alex Nyfeler
- 👤 Alfred Spalti
- 👤 Hansjorg Vonarburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; Y; Y02; Y02B; Y02B90/00; Y02B90/20; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1963238A
Cited
US2327251A
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US2587213A
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US2745991A
Cited
US2961642A
Cited
US3011128A
Cited
US3104382A
Cited
US3209268A
Cited
US3204236A
Cited
US3368153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |