US3442167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Travelling shear
Assignee: Individual
•
Filing: 1966-05-13
•
Granted: 1969-05-06
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 Atsushi Ohmasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:42
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4728; Y10T83/4757; Y10T83/476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1800005A
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US2288988A
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US2287833A
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US2325431A
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US2612951A
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US2630177A
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US2737703A
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GB868053A
Cited
US3161363A
Cited
US3178974A
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 |