US2348293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapered bushing and method of removing the same
Assignee: PAUL A DEWHIRST
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Filing: 1940-10-07
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Granted: 1944-05-09
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Expires: 1960-10-07
Abstract
No abstract record available.
Inventors
- 👤 Leland S Hamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:51
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/02; B23P11/022; F; F16; F16C; F16C35/00; F16C35/02; F16C2226/00; F16C2226/10; F16C2226/16; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10T; Y10T137/00; Y10T137/598; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49698; Y10T29/49815; Y10T29/49822; Y10T29/49826; Y10T29/49863; Y10T29/53; Y10T29/53796; Y10T29/5383
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) | 1947-05-09 | 1947-11-08 | 1948-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-09 | 1951-11-08 | 1952-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-09 | 1955-11-08 | 1956-05-09 | $7700.00 | Window Closed / Lapsed |