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Patent US3460423A successfully refreshed from Google Patents.
US3460423A
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US
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Shearing machine
Assignee: Hitachi Ltd
•
Filing: 1966-12-22
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Granted: 1969-08-12
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Masahiro Hayashi
- 👤 Shinkichi Goto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:02
CPC Classifications
B; B23; B23D; B23D35/00; B23D35/008; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5787; Y10T83/5805; Y10T83/748; Y10T83/7487; Y10T83/7547; Y10T83/869; Y10T83/8727; Y10T83/8742; Y10T83/8743; Y10T83/8748; Y10T83/929; Y10T83/9457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189316544A
Cited
US3054317A
Cited
US3081660A
Cited
US3077134A
Cited
US3188899A
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US3225686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |