US3012280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding of plastic materials
Assignee: Phillips Petroleum Co
•
Filing: 1959-07-16
•
Granted: 1961-12-12
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Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John N Scott
- 👤 Doyle L Alexander
- 👤 William H Whittington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/23; B29C2045/238; Y; Y10; Y10S; Y10S425/00; Y10S425/224; Y10S425/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2359839A
Cited
US2461282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |