Patent US3399262A successfully refreshed from Google Patents.
US3399262A
Expired / Lapsed
US
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Extruded thermoplastic flexible pipe and hose
Assignee: Millennium Petrochemicals Inc
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Filing: 1966-09-26
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Granted: 1968-08-27
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Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 John J Quackenbush
- 👤 Herbert O Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:14
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/355; B29C2948/00; B29C2948/92; B29C2948/92323; B29C2948/92361; B29C2948/9238; B29C2948/9239; B29C2948/92438; B29C2948/92504; B29C2948/9258; B29C2948/926; B29C2948/92609; B29C2948/92647; B29C48/001; B29C48/0022; B29C48/03; B29C48/09; B29C48/13; B29L; B29L2023/00; B29L2023/003
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |