US2268705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maximum demand meter recording attachment
Assignee: THERM ELECTRIC METERS Co
•
Filing: 1939-08-05
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Granted: 1942-01-06
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Expires: 1959-08-05
Abstract
No abstract record available.
Inventors
- 👤 Dana B Green
- 👤 Robert R Sprole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/56; G01R11/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-01-05 | 1945-07-07 | 1946-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-05 | 1949-07-07 | 1950-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-05 | 1953-07-07 | 1954-01-06 | $7700.00 | Window Closed / Lapsed |