US3428818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining camber in a moving strip
Assignee: CHAUNCEY L GREBE
•
Filing: 1965-03-04
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Granted: 1969-02-18
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Chauncey L Grebe
- 👤 Ralph S Minor Jr
- 👤 Raymond G Shelden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:20
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0216; B21; B21B; B21B37/00; B21B37/68; G; G01; G01B; G01B11/00; G01B11/02; G01B11/04; G01B11/046; G01B11/24; G01B11/245; B21B2273/00; B21B2273/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344817A
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US2499910A
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US2581937A
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US2777069A
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US2931917A
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GB871325A
Cited
US3226832A
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US3330159A
Cited
US3284015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |