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US2681682A
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US
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Apparatus for bending blanks
Assignee: LARKIN LECTRO PRODUCTS Corp
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Filing: 1950-10-18
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Granted: 1954-06-22
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Expires: 1970-10-18
Abstract
No abstract record available.
Inventors
- 👤 Larkin Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:56
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/04; B21D5/045; B21D5/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US519527A
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US960910A
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US1434470A
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US1552416A
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US2336611A
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US2420119A
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US2477355A
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US2485495A
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US2486220A
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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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |