US2535653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inside burr removing apparatus
Assignee: Republic Steel Corp
•
Filing: 1946-01-09
•
Granted: 1950-12-26
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 Walter S Schaefer
- 👤 Thomas M Bowes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:03
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/021; B23D79/023; Y; Y10; Y10T; Y10T407/00; Y10T407/26; Y10T407/28; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053831A
Cited
US2286513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |