US2999309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal article and method of producing
Assignee: WELDED CARBIDE TOOL Co IN
•
Filing: 1955-04-06
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Granted: 1961-09-12
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Expires: 1975-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jerome F Kuzmick
- 👤 Jan M Krol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:13
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12063; Y10T428/12139; Y10T428/12493; Y10T428/12535; Y10T428/12576; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |