Patent US2697541A successfully refreshed from Google Patents.
US2697541A
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Automatic packaging method and apparatus
Assignee: CHELSEA CARTON Co
•
Filing: 1952-05-27
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Granted: 1954-12-21
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Expires: 1972-05-27
Abstract
No abstract record available.
Inventors
- 👤 William S Patterson
- 👤 George E Ducharme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:53
CPC Classifications
B; B65; B65B; B65B5/00; B65B5/10; B65B5/106; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/115; Y10S414/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US471257A
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US2191436A
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US859772A
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US952352A
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US1217992A
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US1292902A
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DE605493C
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US2006147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |