US2419487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote-control metering system
Assignee: Kenyon Instrument Co Inc
•
Filing: 1944-02-02
•
Granted: 1947-04-22
•
Expires: 1964-02-02
Abstract
No abstract record available.
Inventors
- 👤 Dresser Willis Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
G; G08; G08B; G08B21/00; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/19; Y10T74/19555; Y10T74/1987; Y10T74/19893; Y10T74/19935; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US11585A
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US674213A
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US1659834A
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US1919992A
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US2091303A
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US2007669A
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US2149753A
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US2197205A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |