US2503518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging by extrusion
Assignee: EXTRUDED PLASTICS Inc
•
Filing: 1945-02-27
•
Granted: 1950-04-11
•
Expires: 1965-02-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; Y; Y10; Y10S; Y10S206/00; Y10S206/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141318A
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US1481866A
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US1544255A
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US1552741A
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US1603813A
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US2132152A
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US2072105A
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US2070600A
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US2152101A
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US2249085A
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US2234655A
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US2305658A
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US2340260A
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US2371074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |