Patent US3420088A successfully refreshed from Google Patents.
US3420088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing of containers by deep drawing
Assignee: FREDERICK A KRAUSE ASSOCIATES Inc
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Filing: 1965-09-27
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Granted: 1969-01-07
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:45
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/20; B21D22/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US460594A
Cited
US491192A
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US1581680A
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US1672694A
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US1690523A
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US2259882A
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US2739557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |