US2036532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray-oscillograph
Assignee: Individual
•
Filing: 1929-11-18
•
Granted: 1936-04-07
•
Expires: 1949-11-18
Abstract
No abstract record available.
Inventors
- 👤 Knoll Max
- 👤 Schiff Ludwig
- 👤 Stoerk Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:10
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/121; H01J29/00; H01J29/02; H01J29/06; H01J35/00; H01J35/02; H01J35/16; H01J35/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-04-07 | 1939-10-07 | 1940-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-07 | 1943-10-07 | 1944-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-07 | 1947-10-07 | 1948-04-07 | $7700.00 | Window Closed / Lapsed |