Patent US2700355A successfully refreshed from Google Patents.
US2700355A
Expired / Lapsed
US
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Method and apparatus for collapsing the countersink wall of a can end
Assignee: Primerica Inc
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Filing: 1949-11-10
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Granted: 1955-01-25
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Expires: 1969-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:18
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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US1607923A
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US1590749A
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US1590754A
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US1719512A
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US1803616A
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US2006691A
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US2017460A
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US2162731A
Cited
US2106020A
Cited
US2119630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |