Patent US2654292A successfully refreshed from Google Patents.
US2654292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burr remover
Assignee: Clifton Conduit Co Inc
•
Filing: 1948-10-08
•
Granted: 1953-10-06
•
Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 William S Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/021; B23D79/023; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |