US2855657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool with chip breakers
Assignee: NAT TOOL Co
•
Filing: 1955-10-04
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Granted: 1958-10-14
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Erhardt Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:33
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/02; B23C5/04; B23C2210/00; B23C2210/08; B23C2210/088; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1952; Y10T407/1962; Y10T407/1964; Y10T407/1966; Y10T407/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US93212A
Cited
US1479073A
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US1599266A
Cited
US2187744A
Cited
US2278738A
Cited
US2390722A
Cited
US2683920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |