US2785329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded yoke for deflecting convergent beams
Assignee: Individual
•
Filing: 1952-07-10
•
Granted: 1957-03-12
•
Expires: 1972-07-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Tirico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:46
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132933A
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US2172733A
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US2186595A
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US2562395A
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US2579705A
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US2570425A
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US2605433A
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US2585614A
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US2612614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |