US2631495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide projector-phonograph combination
Assignee: Individual
•
Filing: 1950-07-10
•
Granted: 1953-03-17
•
Expires: 1970-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ronick Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1696831A
Cited
US915359A
Cited
US1094704A
Cited
US1110247A
Cited
US1584708A
Cited
US1750991A
Cited
US2066538A
Cited
US2088516A
Cited
US2145743A
Cited
US2351238A
Cited
US2513673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |