US2887984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for gas plating continuous length of metal strip
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1954-06-24
•
Granted: 1959-05-26
•
Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Folsom E Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/54; C23C16/545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1497417A
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US1987577A
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US2382432A
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GB589966A
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US2516058A
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US2656283A
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US2656284A
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US2576289A
Cited
US2685535A
Cited
US2793609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |