Patent US5651695A successfully refreshed from Google Patents.
Patent US2476595A successfully refreshed from Google Patents.
US2476595A
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US
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Expansible die punch for bending flanged work with tangent bending apparatus
Assignee: Individual
•
Filing: 1945-02-22
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Granted: 1949-07-19
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Expires: 1965-02-22
Abstract
No abstract record available.
Inventors
- 👤 Lee B Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:54
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/03; B21D7/06; B21D7/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1375305A
Cited
US1408787A
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US1804607A
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US1787151A
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US2198873A
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US2190423A
Cited
US2287933A
Cited
US2321075A
Cited
US2339032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |