US2744451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parting and slotting tool
Assignee: Individual
•
Filing: 1952-02-28
•
Granted: 1956-05-08
•
Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 Luther E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:16
CPC Classifications
B; B23; B23D; B23D3/00; B23D3/02; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T407/00; Y10T407/14; Y10T407/22; Y10T407/2202; Y10T407/2206; Y10T407/25; Y10T409/00; Y10T409/50; Y10T409/50082; Y10T409/502624; Y10T409/504756; Y10T409/505084; Y10T409/509348; Y10T409/509676; Y10T83/00; Y10T83/02; Y10T83/0304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US409451A
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US508982A
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US828425A
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US927450A
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US1025152A
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US1327410A
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US1419448A
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US2275327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |