US3029683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio-visual device
Assignee: Individual
•
Filing: 1958-08-13
•
Granted: 1962-04-17
•
Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Zaromb Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:14
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/062; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/34; Y; Y10; Y10S; Y10S40/00; Y10S40/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US636642A
Cited
US879691A
Cited
US1087110A
Cited
US2206134A
Cited
US2521150A
Cited
US2543483A
Cited
US2637560A
Cited
US2865639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |