US2693737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power fed router machine
Assignee: Lockheed Martin Corp
•
Filing: 1951-07-12
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Granted: 1954-11-09
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Expires: 1971-07-12
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:27
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/40; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q5/00; B23Q5/54; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/302576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1898555A
Cited
US2067962A
Cited
US2057820A
Cited
US2018330A
Cited
GB513848A
Cited
US2494532A
Cited
US2549024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |