Patent US2541114A successfully refreshed from Google Patents.
US2541114A
Expired / Lapsed
US
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Hardened metallic structure
Assignee: Ohio Crankshaft Co
•
Filing: 1943-10-27
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Granted: 1951-02-13
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Expires: 1963-10-27
Abstract
No abstract record available.
Inventors
- 👤 Howard E Somes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:10
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/20; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US449998A
Cited
US460261A
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USRE14820E
Cited
US930927A
Cited
US1514129A
Cited
GB363323A
Cited
GB472198A
Cited
US2293938A
Cited
US2315558A
Cited
US2295272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |