US2680204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun structure
Assignee: RCA Corp
•
Filing: 1950-11-30
•
Granted: 1954-06-01
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Swedlund Lloyd Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:52
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/84; H01J29/845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1941157A
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US2155514A
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US2186393A
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US2240700A
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US2250622A
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US2274586A
Cited
GB627482A
Cited
US2460609A
Cited
US2464419A
Cited
US2570425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |