US2536643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating dies with pivoted and slidable end shaping dies
Assignee: MICHIGAN BUMPER Corp
•
Filing: 1948-01-15
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Granted: 1951-01-02
•
Expires: 1968-01-15
Abstract
No abstract record available.
Inventors
- 👤 Carl R Housdorfer
- 👤 Edwin G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:01
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1258424A
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US1493502A
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US1644283A
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US1552416A
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US1680467A
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US1823557A
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US1787151A
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US1877110A
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US2158312A
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US2246992A
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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 |