US3483633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audiovisual educational apparatus
Assignee: JOSTENS LEARNING SYSTEMS Inc
•
Filing: 1967-02-13
•
Granted: 1969-12-16
•
Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Geils
- 👤 William J Raymond
- 👤 Richard W Roberts
- 👤 Peter K Shreck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:10
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/06; G09B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3141243A
Cited
US3353280A
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US3383781A
Cited
US3376657A
Cited
US3369307A
Cited
US3395464A
Cited
US3401470A
Cited
US3408749A
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 |