US2564099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton end closure structure
Assignee: Waldorf Paper Products Co
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Filing: 1947-05-03
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Granted: 1951-08-14
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Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Dunning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:13
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/80; B29C66/82; B29C66/826; B29C66/8266; B29C66/82661; Y; Y10; Y10S; Y10S229/00; Y10S229/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |