US2549602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Applicator for ion traps
Assignee: Indiana Steel Products Co
•
Filing: 1949-10-01
•
Granted: 1951-04-17
•
Expires: 1969-10-01
Abstract
No abstract record available.
Inventors
- 👤 Hopps Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/84; H01J29/845; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1069539A
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US1375291A
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US1640970A
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US2102421A
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US2211613A
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US2440009A
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GB584290A
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US2460609A
Cited
US2456474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |