Patent US3450253A successfully refreshed from Google Patents.
US3450253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for packaging and packaging material
Assignee: Polymer Engineering Corp
•
Filing: 1966-01-12
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Granted: 1969-06-17
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Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Paul O Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:35
CPC Classifications
B; B65; B65B; B65B55/00; B65B55/20; B05; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/1486; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1266; Y; Y10; Y10S; Y10S264/00; Y10S264/07; Y10S493/00; Y10S493/967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1513148A
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US2579036A
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US2653139A
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US2895603A
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US3096879A
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US3047136A
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US2981984A
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US3066382A
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US3222843A
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US3145837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |