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US2673430A
Expired / Lapsed
US
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Wrapping and packaging machine
Assignee: Crystal Tissue Co
•
Filing: 1949-06-18
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Granted: 1954-03-30
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Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Leo S Fleischer
- 👤 Richard C Tackenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:42
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/14; B65B9/00; B65B9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2180431A
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US2128982A
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US2118508A
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US2114621A
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US2103390A
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US2162230A
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US2444685A
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US2443327A
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US2456059A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |