US3027693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder
Assignee: Kennametal Inc
•
Filing: 1960-01-04
•
Granted: 1962-04-03
•
Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Harry J Armitage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:44
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/34; B24B3/343; B23; B23Q; B23Q7/00; B23Q7/16; B23Q7/165; B24B17/00; B24B17/02; B24B17/023; B24B3/36; B24B41/00; B24B41/06; B24B41/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |