Patent US3134931A successfully refreshed from Google Patents.
US3134931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphase meter mount
Assignee: Murray Manufacturing Corp
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Filing: 1960-07-12
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Granted: 1964-05-26
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Herman H Kobryner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:34
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |