US2941300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging device
Assignee: Sheffield Corp
•
Filing: 1954-05-21
•
Granted: 1960-06-21
•
Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Aller Willis Fay
- 👤 Henry L Boppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:52
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE634186C
Cited
US1997639A
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US2010144A
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US2066699A
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US2466380A
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US2504961A
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US2476361A
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US2599835A
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DE840445C
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US2723461A
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US2623294A
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US2680912A
Cited
US2712181A
Cited
GB706834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |