Patent US3479420A successfully refreshed from Google Patents.
US3479420A
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Blow molding parisons using fluid sealing
Assignee: Phillips Petroleum Co
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Filing: 1967-05-29
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Granted: 1969-11-18
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Newton R Wilson
- 👤 Thomas J Nave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:10
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/4802; B29C49/4817; B29C49/02; B29C49/04; B29C49/04102; B29C49/0411; B29C49/04114; B29C49/4273; B29C49/428; B29C49/42802; B29C49/46; B29C2049/4602; B29C2049/4605; B29C2049/4608; B29C49/78; B29C49/783; B29C2049/7831; B29C49/786; B29C2049/7861; B29C2049/7862; B29C49/041; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |