US3270614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound system for picture slides
Assignee: ATRON CORP
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Filing: 1965-02-15
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Granted: 1966-09-06
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Paull Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:16
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A HUB FOR HOLDING A PICTURE SLIDE AND AN ANNULAR SOUND RECORD IN PREDETERMINED RELATION TO EACH OTHER, CHARACTERIZED BY THE FACE THAT SAID HUB IS OF GENERALLY CIRCULAR SHAPE AND HAS A CENTRAL OPENING WITH NOTCHES IN THE PERIPHERY THEREOF FOR MAKING A TIGHT PRESS FIT WITH AND FRICTIONALLY RETAINING THE CORNERS OF A PICTURE SLIDE MOUNT, AND THAT SAID HUB ALSO HAS A CIRCUMFERENTIALLY EXTENDING GROOVE FOR RECEIVING THE INNER MARGINAL EDGE OF AN ANNULAR SOUND RECORD ENGAGED IN AND GUIDED FOR ROTATION BY SAID GROOVE.
Claim 2
Dependent Claim
88 words
A HUB FOR HOLDING A PICTURE SLIDE AND AN ANNULAR SOUND RECORD IN PREDETERMINED RELATION TO EACH OTHER, CHARACTERIZED BY THE FACE THAT SAID HUB IS OF GENERALLY CIRCULAR SHAPE AND HAS A CENTRAL OPENING WITH NOTCHES IN THE PERIPHERY THEREOF FOR MAKING A TIGHT PRESS FIT WITH AND FRICTIONALLY RETAINING THE CORNERS OF A PICTURE SLIDE MOUNT, AND THAT SAID HUB ALSO HAS A CIRCUMFERENTIALLY EXTENDING GROOVE FOR RECEIVING THE INNER MARGINAL EDGE OF AN ANNULAR SOUND RECORD ENGAGED IN AND GUIDED FOR ROTATION BY SAID GROOVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |