US2814913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cutting and deburring tool
Assignee: Wallace Supplies Manufacturing Co
•
Filing: 1955-03-07
•
Granted: 1957-12-03
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Witt Edward J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:11
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1076022A
Cited
CH37911A
Cited
US1209041A
Cited
DE419020C
Cited
US1992147A
Cited
US2031052A
Cited
US2107566A
Cited
US2252787A
Cited
US2201658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |