US2443734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine-tool guard
Assignee: Kearney and Trecker Corp
•
Filing: 1944-07-06
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Granted: 1948-06-22
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Expires: 1964-07-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:02
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/08; B23C; B23C1/00; B23Q1/00; B23Q1/25; B23Q1/64; B23Q1/66; Y; Y10; Y10S; Y10S29/00; Y10S29/06; Y10T; Y10T409/00; Y10T409/30; Y10T409/30392; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T74/00; Y10T74/21; Y10T74/2193
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) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |