Patent US3343568A successfully refreshed from Google Patents.
US3343568A
Expired / Lapsed
US
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Extruded tubular article with clear stripe and translucent to opaque body
Assignee: Phillips Petroleum Co
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Filing: 1965-02-23
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Granted: 1967-09-26
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Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Tony E Branscum
- 👤 John E Havely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:53
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/16; B29C48/18; B29C48/20; B29C48/19; B29C48/03; B29C48/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |