US3047870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillographic viewing and recording systems
Assignee: Recon Optical Inc
•
Filing: 1955-09-13
•
Granted: 1962-07-31
•
Expires: 1975-09-13
Abstract
No abstract record available.
Inventors
- 👤 Bousky Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:53
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2128632A
Cited
US2440736A
Cited
FR921452A
Cited
US2586772A
Cited
GB657047A
Cited
US2716154A
Cited
US2688897A
Cited
US2677722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |