Patent US2615367A successfully refreshed from Google Patents.
US2615367A
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US
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Reflecting measuring device with dual sensitivity
Assignee: Leeds and Northrup Co
•
Filing: 1947-09-03
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Granted: 1952-10-28
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Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 George E R Murray
- 👤 Benjamin J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:04
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/28; G01D5/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1938992A
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US2098917A
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US2172166A
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US2232177A
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |