US3007231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing metal rollers
Assignee: ALLOY HARDFACING Co
•
Filing: 1960-01-18
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Granted: 1961-11-07
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Garver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:43
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/02; B23K31/025; B21; B21B; B21B27/00; F; F16; F16C; F16C13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549; Y10T29/49551; Y10T29/49718; Y10T29/49732; Y10T29/49742; Y10T29/49746; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49874; Y10T29/49888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884104A
Cited
US2219085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |