Patent US2257364A successfully refreshed from Google Patents.
US2257364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Individual
•
Filing: 1939-10-03
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Granted: 1941-09-30
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Expires: 1959-10-03
Abstract
No abstract record available.
Inventors
- 👤 Harding F Bakewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:47
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/70; Y10T408/72; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18696
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) | 1944-09-29 | 1945-03-31 | 1945-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-29 | 1949-03-31 | 1949-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-29 | 1953-03-31 | 1953-09-30 | $7700.00 | Window Closed / Lapsed |