US2508509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating hollow objects
Assignee: AT&T Inc
•
Filing: 1945-01-13
•
Granted: 1950-05-23
•
Expires: 1965-01-13
Abstract
No abstract record available.
Inventors
- 👤 Lester H Germer
- 👤 George E Reitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/04; C23C16/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1497417A
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US1730087A
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US1758810A
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US1829756A
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US1816476A
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US1818909A
Cited
GB306902A
Cited
US1982590A
Cited
US2183302A
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US2285017A
Cited
US2344138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |