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US2952918A
Expired / Lapsed
US
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Gauging device
Assignee: Sheffield Corp
•
Filing: 1953-02-11
•
Granted: 1960-09-20
•
Expires: 1973-02-11
Abstract
No abstract record available.
Inventors
- 👤 Eickman Lowell Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:43
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/02; G01B13/06; G01B13/065; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB341365A
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US2001447A
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US2284325A
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US2320192A
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FR904443A
Cited
US2492656A
Cited
US2490375A
Cited
US2635748A
Cited
US2545881A
Cited
US2712181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |