US2232844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalworking machine
Assignee: Devlieg Bullard Inc
•
Filing: 1938-12-06
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Granted: 1941-02-25
•
Expires: 1958-12-06
Abstract
No abstract record available.
Inventors
- 👤 Eckardt Rudolf
- 👤 Rahm Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/08; Y; Y10; Y10S; Y10S29/00; Y10S29/101; Y10S82/00; Y10S82/901; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T29/5178
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) | 1944-02-25 | 1944-08-26 | 1945-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-25 | 1948-08-26 | 1949-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-25 | 1952-08-26 | 1953-02-25 | $7700.00 | Window Closed / Lapsed |