US2174866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: BAIRD MACHINE CO
•
Filing: 1937-06-03
•
Granted: 1939-10-03
•
Expires: 1957-06-03
Abstract
No abstract record available.
Inventors
- 👤 Leslie W Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:25
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; B23B31/4046; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16004; B23B31/16008; B23B31/16012; B23B2231/00; B23B2231/56; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1049; Y10T279/1054; Y10T279/17; Y10T279/17615; Y10T279/29; Y10T279/33
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) | 1942-10-02 | 1943-04-03 | 1943-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-02 | 1947-04-03 | 1947-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-02 | 1951-04-03 | 1951-10-03 | $7700.00 | Window Closed / Lapsed |