US3442104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling method and measuring instrument for the flatness of strips
Assignee: Nippon Steel Corp
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Filing: 1966-01-25
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Granted: 1969-05-06
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Yoshisuke Misaka
- 👤 Kakunosuke Yamamori
- 👤 Masahiro Machida
- 👤 Michio Nakata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:37
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/28; G01B5/285; B; B21; B21B; B21B38/00; B21B38/02; G01B7/00; G01B7/28; G01B7/287; B21B1/00; B21B1/22; B21B2001/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674127A
Cited
US2809519A
Cited
GB820799A
Cited
US3016460A
Cited
GB891232A
Cited
US3228219A
Cited
US3245241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |