Patent US1406857A successfully refreshed from Google Patents.
US3464844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum plating of surfaces
Assignee: ConocoPhillips Co
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Filing: 1967-03-02
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Granted: 1969-09-02
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Expires: 1987-03-02
Abstract
No abstract record available.
Inventors
- 👤 Billy J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:58
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2523461A
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US2619433A
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US2698811A
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US3305386A
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US3075858A
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US3041197A
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US3155532A
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US3198167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |