US3488804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matched mold and sizing rod to form parisons
Assignee: Phillips Petroleum Co
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Filing: 1967-03-13
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Granted: 1970-01-13
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Alvin E Butcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/50; B29C37/00; B29C37/0003; B29C43/02; B29C43/04; B29C43/06; B29C43/08; B29C43/52; B29C55/00; B29C55/22; B29C55/24; B29C43/34; B29C2043/3433; B29C43/36; B29C2043/3676; B29C2043/3689; B29C33/00; B29C33/44; B29C33/442
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |