US2496913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for forming coils
Assignee: RCA Corp
•
Filing: 1945-11-29
•
Granted: 1950-02-07
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Expires: 1965-11-29
Abstract
No abstract record available.
Inventors
- 👤 Gustave L Grundmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:32
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/762; H02; H02K; H02K15/00; H02K15/04; H02K15/043; H02K15/0431
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US582640A
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GB190007373A
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US733233A
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US1479285A
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US1949739A
Cited
US1828822A
Cited
US1920154A
Cited
US1995916A
Cited
US2251776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |