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US2656047A
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Assignee: NAT PLASTIC PRODUCTS Co
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Filing: 1948-10-11
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Granted: 1953-10-20
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Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Lee F Samler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:27
CPC Classifications
B; B30; B30B; B30B7/00; B30B7/02; B30B7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US652813A
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US2390159A
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US2497149A
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US2421128A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |