US2430609A
Expired / Lapsed
US
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Assignee: Waldorf Paper Products Co
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Filing: 1944-01-24
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Granted: 1947-11-11
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Expires: 1964-01-24
Abstract
No abstract record available.
Inventors
- 👤 Guyer Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:52
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/52; B65D5/20; B65D5/2004; B65D5/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642558A
Cited
US796310A
Cited
US1223409A
Cited
US2218360A
Cited
US2250491A
Cited
US2253008A
Cited
US2331038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |