US2503085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring system
Assignee: Leeds and Northrup Co
•
Filing: 1945-03-29
•
Granted: 1950-04-04
•
Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:26
CPC Classifications
G; G01; G01D; G01D3/00; G01D3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US402933A
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US402674A
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USRE21806E
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US2113164A
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US2150006A
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US2203689A
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US2300742A
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US2215678A
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US2329216A
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US2367746A
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US2425733A
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US2355537A
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US2382105A
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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) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |