Patent US3018956A successfully refreshed from Google Patents.
US3501332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating of plastics
Assignee: Shell USA Inc
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Filing: 1967-04-28
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Granted: 1970-03-17
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Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 Trent D Buckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:17
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2053; C23C18/206; C23C18/2026; C23C18/2033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2789063A
Cited
US2946710A
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US2809130A
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US2898228A
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US3167491A
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US3219471A
Cited
US3370974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |