US3231685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data storage system record drive mechanism
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1961-01-09
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Granted: 1966-01-25
•
Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Manfred R Kuehnle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:30
CPC Classifications
G; G11; G11B; G11B25/00; G11B15/00; G11B15/70; G11B23/00; G11B23/20; G11B23/22; G11B5/00; G11B5/008; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19716
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A REEL-LESS RECORDER, COMPRISING: A CASE; SUPPORTING MEANS FOR TRANSLATING SOUND TO RECORDABLE SIGNALS; AND MEANS COOPERATING WITH SAID FIRST NAMED MEANS TO STORE THE RECORDABLE SIGNALS, INCLUDING AN ENDLESS RECORDING MEDIUM, THE RECORDING MEDIUM BEING SELF SUPPORTING
Claim 2
Dependent Claim
38 words
A REEL-LESS RECORDER, COMPRISING: A CASE; SUPPORTING MEANS FOR TRANSLATING SOUND TO RECORDABLE SIGNALS; AND MEANS COOPERATING WITH SAID FIRST NAMED MEANS TO STORE THE RECORDABLE SIGNALS, INCLUDING AN ENDLESS RECORDING MEDIUM, THE RECORDING MEDIUM BEING SELF SUPPORTING
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |