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Patent US2679639A successfully refreshed from Google Patents.
US2679639A
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Method and apparatus for determining the mean deviation of a variable magnitude from its average value
Assignee: ZELLWEGER A G APP und MASCHIEN
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Filing: 1950-03-10
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Granted: 1954-05-25
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Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Locher Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:31
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/25; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01R; G01R1/00; G01R1/30; G06G7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2101260A
Cited
US2139474A
Cited
US2477395A
Cited
US2534005A
Cited
CH249096A
Cited
US2605332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |