Patent US3470794A successfully refreshed from Google Patents.
US3470794A
Expired / Lapsed
US
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Display package blank forming machine
Assignee: WILLIAM B CRANE JR
•
Filing: 1967-03-15
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Granted: 1969-10-07
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Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 William B Crane Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:53
CPC Classifications
B; B65; B65B; B65B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2802321A
Cited
US2788625A
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US2956362A
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US3090285A
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US3138077A
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US3286835A
Cited
US3387542A
Cited
US3406610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |