US2478391A
Expired / Lapsed
US
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Apparatus for measuring small dimensional changes
Assignee: Sandvik AB
•
Filing: 1944-07-07
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Granted: 1949-08-09
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Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Segerstad Carl Gustaf Hard Af
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:39
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/08; G01L; G01L13/00; G01L13/02; Y; Y10; Y10S; Y10S33/00; Y10S33/01; Y10S33/02; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1007178A
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US1106907A
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US1927750A
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US1985576A
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US2266566A
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US2268783A
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US2352836A
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US2325345A
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US2343181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |