US2654433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing device
Assignee: Phillips Petroleum Co
•
Filing: 1949-02-21
•
Granted: 1953-10-06
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Piety
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:19
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/124; E21B47/00; E21B47/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1406682A
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US1713895A
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US1606606A
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US1895905A
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US2055287A
Cited
US2190206A
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US2074213A
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US2367900A
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US2415729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |