US2408037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical remote indicating and supervisory system
Assignee: International Standard Electric Corp
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Filing: 1943-03-10
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Granted: 1946-09-24
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Expires: 1963-03-10
Abstract
No abstract record available.
Inventors
- 👤 Bowsher Edward Albert Henry
- 👤 D Assis-Fonse Harold Muschamp
- 👤 Ward Hugh Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:01
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/18; H02J13/333
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) | 1949-09-23 | 1950-03-25 | 1950-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-23 | 1954-03-25 | 1954-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-23 | 1958-03-25 | 1958-09-24 | $7700.00 | Window Closed / Lapsed |