US1697580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: NORTH EAST ELECTRIC Co
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Filing: 1927-08-30
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Granted: 1929-01-01
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Expires: 1947-08-30
Abstract
No abstract record available.
Inventors
- 👤 Cyril T Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/49; G01P3/495
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) | 1932-01-01 | 1932-07-02 | 1933-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-01 | 1936-07-02 | 1937-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-01 | 1940-07-02 | 1941-01-01 | $7700.00 | Window Closed / Lapsed |