Patent US2684527A successfully refreshed from Google Patents.
US2684527A
Expired / Lapsed
US
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Method of removing hubs
Assignee: Individual
•
Filing: 1951-05-21
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Granted: 1954-07-27
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Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 Edward A Hedlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/023; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49533; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |