US2501563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming strongly adherent metallic compound films by glow discharge
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1946-02-20
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Granted: 1950-03-21
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Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 William H Colbert
- 👤 Arthur R Weinrich
- 👤 Willard L Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:08
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3607; C03C17/3613; C03C17/3628; C03C17/3642; C03C17/3657; C23; C23C; C23C14/00; C23C14/02; C23C14/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2030476A
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US1927792A
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US2143723A
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US2322613A
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US2207656A
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US2304182A
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US2394930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |