Patent US2665333A successfully refreshed from Google Patents.
US2665333A
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US
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Apparatus for measuring thickness of sheet material
Assignee: Libbey Owens Ford Glass Co
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Filing: 1950-11-30
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Granted: 1954-01-05
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Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Donald W Dunipace
- 👤 Norman C Nitschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:13
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1946924A
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US1925904A
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US1845231A
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US2269152A
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US2303424A
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US2365593A
Cited
US2503720A
Cited
US2540589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |