US2529157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Routing tool
Assignee: Kennametal Inc
•
Filing: 1949-03-31
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Granted: 1950-11-07
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Robert J Higerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
B; B23; B23B; B23B51/00; B23B2251/00; B23B2251/24; B23B2251/241; B23B2251/48; B23B2265/00; B23B2265/12; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1946; Y10T407/1948; Y10T407/23; Y10T407/235; Y10T407/24; Y10T408/00; Y10T408/86; Y10T408/885; Y10T408/888; Y10T408/89; Y10T408/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200285A
Cited
US327148A
Cited
US1125649A
Cited
US1603739A
Cited
US1887372A
Cited
US2113178A
Cited
US2260288A
Cited
US2349959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |