US2409903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for shaping stock
Assignee: Bell Aircraft Corp
•
Filing: 1941-02-06
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Granted: 1946-10-22
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Expires: 1961-02-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:20
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q2735/00; B23Q2735/02; B23Q2735/04; B23Q2735/045; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-21 | 1950-04-22 | 1950-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-21 | 1954-04-22 | 1954-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-21 | 1958-04-22 | 1958-10-22 | $7700.00 | Window Closed / Lapsed |