US2202914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing burrs
Assignee: Youngstown Sheet and Tube Co
•
Filing: 1938-06-28
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Granted: 1940-06-04
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Expires: 1958-06-28
Abstract
No abstract record available.
Inventors
- 👤 Carl G Jones
- 👤 Horatio G Titus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:41
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/021; B23D79/023; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T409/00; Y10T409/50; Y10T409/50082; Y10T409/501476; Y10T409/50164; Y10T409/501804
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |