US3430290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sealing and severing parisons
Assignee: Phillips Petroleum Co
•
Filing: 1966-08-01
•
Granted: 1969-03-04
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 William G Kinslow Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:08
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/4273; B29C49/428; B29C49/42802; Y; Y10; Y10S; Y10S425/00; Y10S425/012; Y10T; Y10T83/00; Y10T83/04; Y10T83/0596; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733458A
Cited
US1134763A
Cited
US1981059A
Cited
US2503171A
Cited
US2940121A
Cited
US3001239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |