Patent US2676229A successfully refreshed from Google Patents.
US2676229A
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US
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Apparatus for concurrently bending and forging bar stock
Assignee: MASSEY HARRIS CO Ltd
•
Filing: 1951-05-07
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Granted: 1954-04-20
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Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Lorne F Knight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:50
CPC Classifications
B; B21; B21J; B21J1/00; B21J1/06; B21K; B21K1/00; B21K1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237371A
Cited
GB247602A
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US1847631A
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US2195775A
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US2393155A
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US2581774A
Cited
US2507817A
Cited
US2570548A
Cited
US2555695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |