US2490299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton molding apparatus
Assignee: Waldorf Paper Products Co
•
Filing: 1943-11-01
•
Granted: 1949-12-06
•
Expires: 1963-11-01
Abstract
No abstract record available.
Inventors
- 👤 Russell J Hennessey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743513A
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US2051555A
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US2043135A
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US2126869A
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US2338685A
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US2263739A
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US2305433A
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US2319683A
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US2357806A
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US2377532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |