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US2256337A
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Portable sound and picture reproducing apparatus
Assignee: JAM HANDY PICTURE SERVICE Inc
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Filing: 1940-03-09
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Granted: 1941-09-16
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Expires: 1960-03-09
Abstract
No abstract record available.
Inventors
- 👤 Vladimir J Boor
- 👤 Arthur J Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:36
CPC Classifications
G; G03; G03B; G03B31/00; A; A45; A45C; A45C5/00; A45C5/02; A45C9/00; H; H04; H04B; H04B1/00; H04B1/06; H04B1/08
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) | 1944-09-15 | 1945-03-17 | 1945-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-15 | 1949-03-17 | 1949-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-15 | 1953-03-17 | 1953-09-16 | $7700.00 | Window Closed / Lapsed |