Patent US2679164A successfully refreshed from Google Patents.
US2679164A
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US
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Variable drive mechanism for gauges
Assignee: American Machine and Metals Inc
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Filing: 1949-09-12
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Granted: 1954-05-25
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Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/08; G01L19/12; G01L7/00; G01L7/02; G01L7/08; G01L7/084; G01L7/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1414165A
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US879039A
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US908300A
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US1344340A
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US1649112A
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US1696814A
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US2291501A
Cited
GB535542A
Cited
US2357877A
Cited
US2357878A
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 |