Patent US1948176A successfully refreshed from Google Patents.
US1948176A
Expired / Lapsed
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Method of making connecting rods
Assignee: Cleveland Graphite Bronze Co
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Filing: 1932-01-07
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Granted: 1934-02-20
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Expires: 1952-01-07
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Hopkins
- 👤 John V O Palm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:58
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/84; F; F16; F16C; F16C9/00; F16C9/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49638; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49696; Y10T29/49826; Y10T29/49861; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2162
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) | 1937-02-19 | 1937-08-21 | 1938-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-19 | 1941-08-21 | 1942-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-19 | 1945-08-21 | 1946-02-20 | $7700.00 | Window Closed / Lapsed |