US3462582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parison heating
Assignee: Phillips Petroleum Co
•
Filing: 1967-02-07
•
Granted: 1969-08-19
•
Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Martin R Cines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/023; B29B13/024; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/68; B29C49/685; B29L; B29L2023/00; B29L2023/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2303873A
Cited
US2575426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |