Patent US2680912A successfully refreshed from Google Patents.
US2680912A
Expired / Lapsed
US
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Size gauging device
Assignee: Sheffield Corp
•
Filing: 1950-11-25
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Granted: 1954-06-15
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Expires: 1970-11-25
Abstract
No abstract record available.
Inventors
- 👤 Roy A Wylie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:49
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/08; G01B13/10; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658994A
Cited
US1591261A
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US2208910A
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US2375600A
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US2501965A
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US2566321A
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US2590151A
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US2622331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |