US3484160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio-visual device
Assignee: Glass Marvin and Associates
•
Filing: 1966-06-03
•
Granted: 1969-12-16
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Marvin I Glass
- 👤 Gunars Licitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:23
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06; G03B23/00; G03B23/08; G03B23/10; G03B23/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094704A
Cited
US1933057A
Cited
US2631495A
Cited
US2694958A
Cited
US3078593A
Cited
US3287020A
Cited
US3339455A
Cited
US3389636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |