US2897390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic convergence assembly
Assignee: GLASER STEERS CORP
•
Filing: 1955-12-23
•
Granted: 1959-07-28
•
Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jensen Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:36
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2500623A
Cited
GB642719A
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US2500455A
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US2574039A
Cited
US2718606A
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US2752520A
Cited
US2743389A
Cited
US2766393A
Cited
US2791709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |