Patent US2634094A successfully refreshed from Google Patents.
US2634094A
Expired / Lapsed
US
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Closing tool for metal containers
Assignee: DRUM PARTS Inc
•
Filing: 1948-03-03
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Granted: 1953-04-07
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Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 John J Kojan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:53
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B25; B25B; B25B27/00; B25B27/02; B25B27/10; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1146421A
Cited
US1226911A
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US1227011A
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US1357154A
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US1598561A
Cited
CH122416A
Cited
US1972346A
Cited
US2555194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |