US2430757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical remote-reading positionindicating apparatus
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1944-11-14
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Granted: 1947-11-11
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Expires: 1964-11-14
Abstract
No abstract record available.
Inventors
- 👤 Albert G Conrad
- 👤 Fritz E Hiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1906551A
Cited
GB442441A
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US2078796A
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US2065951A
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US2196809A
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US2111442A
Cited
US2268956A
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US2240184A
Cited
US2379417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |