US2488515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utilization of waste wax paper
Assignee: Fort James Corp
•
Filing: 1945-05-10
•
Granted: 1949-11-15
•
Expires: 1965-05-10
Abstract
No abstract record available.
Inventors
- 👤 Laurence R Sherman
- 👤 Benson W Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:30
CPC Classifications
D; D21; D21C; D21C5/00; D21C5/02; D21C5/022; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1992589A
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US2096129A
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US2183259A
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US2186609A
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US2206090A
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US2268273A
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US2277788A
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US2343090A
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US2343095A
Cited
US2442972A
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US2347178A
Cited
US2401027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |