US3199113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording drum record latch
Assignee: Atlantic Richfield Co
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Filing: 1962-10-19
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Granted: 1965-08-03
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Henry R Barta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:58
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A THIN, SINGLE-UNIT RECORD LATCH ADAPTED TO FIT IN A SHALLOW NOTCH ON THE PERIPHERY OF A RECORD DRUM AND TO MAINTAIN A FLEXIBLE SHEET RECORD AROUND SAID RECORD DRUM IN A MANNER SUCH THAT SAID SHEET RECORD SUBSTANTIALLY ENCIRCLES THE CIRCUMFERENCE OF SAID RECORD DRUM, COMPRISING, (A) A BASE MEMBER HAVING A FIRST HOLDING MEANS FORMED ON ONE END FOR CONNECTING TO AN END OF SAID SHEET RECORD AND GUIDE ELEMENTS FORMED ON EACH SIDE, (B) A SLIDE MEMBER HAVING A SECOND HOLDING MEANS FORMED THEREON FOR CONNECTING TO THE OTHER END OF SAID SHEET MOVABLY MOUNTED BETWEEN SAID GUIDE ELEMENTS OF SAID BASE MEMBER, (C) A SPRING MECHANISM FOR BIASING SAID SLIDE MEMBER IN A DIRECTION SUCH THAT SAID SECOND HOLDING MEANS TENDS TO MOVE TOWARD SAID FIRST HOLDING MEANS.
Claim 2
Dependent Claim
132 words
A THIN, SINGLE-UNIT RECORD LATCH ADAPTED TO FIT IN A SHALLOW NOTCH ON THE PERIPHERY OF A RECORD DRUM AND TO MAINTAIN A FLEXIBLE SHEET RECORD AROUND SAID RECORD DRUM IN A MANNER SUCH THAT SAID SHEET RECORD SUBSTANTIALLY ENCIRCLES THE CIRCUMFERENCE OF SAID RECORD DRUM, COMPRISING, (A) A BASE MEMBER HAVING A FIRST HOLDING MEANS FORMED ON ONE END FOR CONNECTING TO AN END OF SAID SHEET RECORD AND GUIDE ELEMENTS FORMED ON EACH SIDE, (B) A SLIDE MEMBER HAVING A SECOND HOLDING MEANS FORMED THEREON FOR CONNECTING TO THE OTHER END OF SAID SHEET MOVABLY MOUNTED BETWEEN SAID GUIDE ELEMENTS OF SAID BASE MEMBER, (C) A SPRING MECHANISM FOR BIASING SAID SLIDE MEMBER IN A DIRECTION SUCH THAT SAID SECOND HOLDING MEANS TENDS TO MOVE TOWARD SAID FIRST HOLDING MEANS.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |