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US2615567A
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Assignee: General Electric Co
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Filing: 1948-05-29
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Granted: 1952-10-28
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Expires: 1968-05-29
Abstract
No abstract record available.
Inventors
- 👤 John A Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:54
CPC Classifications
B; B07; B07C; B07C99/00; Y; Y10; Y10S; Y10S209/00; Y10S209/91; Y10S209/92; Y10S209/925; Y10S209/933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159082A
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US382931A
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US1325752A
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US766623A
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US946171A
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DE649092C
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US2164796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |