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US2674294A
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US
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Plate bending machine
Assignee: BRODERNA EKBERGS PLATSLAGERIFA
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Filing: 1953-02-19
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Granted: 1954-04-06
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Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 Ekberg Gunnar Johan Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:20
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0089; B21; B21D; B21D5/00; B21D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US16395A
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US49045A
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US401216A
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US760406A
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US965171A
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US1669957A
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US2410603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |