Patent US2536738A successfully refreshed from Google Patents.
US2536738A
Expired / Lapsed
US
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Metal bending and stretching apparatus with rotatable and shiftable die support
Assignee: Individual
•
Filing: 1948-03-11
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Granted: 1951-01-02
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Expires: 1968-03-11
Abstract
No abstract record available.
Inventors
- 👤 Lee B Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:53
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2022915A
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US2182626A
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US2266912A
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US2292731A
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US2310259A
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US2357812A
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US2402273A
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US2370329A
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US2411801A
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US2393140A
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US2446089A
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US2444719A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |