US2934738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric meter probe
Assignee: Cambridge Thermionic Corp
•
Filing: 1956-06-07
•
Granted: 1960-04-26
•
Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Abrams Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:48
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/06788; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1008018A
Cited
US1869181A
Cited
CH248614A
Cited
US2549731A
Cited
US2682649A
Cited
US2580682A
Cited
GB748811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |