US2654068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fuse and demand meter
Assignee: McGraw Electric Co
•
Filing: 1947-11-01
•
Granted: 1953-09-29
•
Expires: 1967-11-01
Abstract
No abstract record available.
Inventors
- 👤 Henry W Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; H; H01; H01H; H01H9/00; H01H9/10; H01H9/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194883A
Cited
US891561A
Cited
US1269770A
Cited
GB285806A
Cited
GB394814A
Cited
US2385473A
Cited
US2452872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |