US2718451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillograph camera
Assignee: —
•
Filing: —
•
Granted: 1955-09-20
•
Expires: 1972-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:42
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298574A
Cited
US919162A
Cited
US1017984A
Cited
US2091826A
Cited
US2320350A
Cited
US2373114A
Cited
US2433129A
Cited
US2584175A
Cited
US2483014A
Cited
US2605162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |