Patent US2441445A successfully refreshed from Google Patents.
US2441445A
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US
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Method and machine for forming and filling reclosable cartons
Assignee: GARDNER RICHARDSON CO
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Filing: 1943-04-12
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Granted: 1948-05-11
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Expires: 1963-04-12
Abstract
No abstract record available.
Inventors
- 👤 William A Ringler
- 👤 Walter E Sooy
- 👤 Sydow Rudolf W Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:01
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/08; B65B43/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1979207A
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US1896177A
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US1935269A
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US2029935A
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US2116607A
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US1974408A
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US2121186A
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US2243199A
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US2263501A
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US2330466A
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US2399934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |