US3592885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated parison real line
Assignee: Phillips Petroleum Co
•
Filing: 1968-12-13
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Granted: 1971-07-13
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Expires: 1988-12-13
Abstract
Abstract THE BOTTOM OF AN OPEN END PARISON IS SEALED ALONG A CORRUGATED LINE.
Inventors
- 👤 Robert R Goins
- 👤 Dixie E Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/4802; B29C49/4817; B29C49/4273; B29C49/428; B29C49/42802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |