US2441468A
Expired / Lapsed
US
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Assignee: CONTROL INSTR CO Inc
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Filing: 1944-11-04
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Granted: 1948-05-11
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Expires: 1964-11-04
Abstract
No abstract record available.
Inventors
- 👤 Philip J Brownscombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20558; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132338A
Cited
US1732434A
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US1968539A
Cited
US2151941A
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US2107976A
Cited
US2190506A
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US2354423A
Cited
US2325714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |