Patent US2738692A successfully refreshed from Google Patents.
US2738692A
Expired / Lapsed
US
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Machine tool
Assignee: Boeing Co
•
Filing: 1953-10-12
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Granted: 1956-03-20
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Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Everett E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:04
CPC Classifications
B; B23; B23Q; B23Q11/00; B21; B21D; B21D22/00; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/173; Y10T408/175; Y10T408/52; Y10T408/54; Y10T408/55; Y10T408/563; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2300253A
Cited
US2462327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |