Patent US2559904A successfully refreshed from Google Patents.
US2559904A
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US
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Apparatus for crimping condenser cans having leads
Assignee: AT&T Inc
•
Filing: 1948-12-08
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Granted: 1951-07-10
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Expires: 1968-12-08
Abstract
No abstract record available.
Inventors
- 👤 Nils H Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:06
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1276523A
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US1394623A
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US1666767A
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US1846319A
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US1867288A
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FR780788A
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US2068107A
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US2116068A
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US2258611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |