US3104881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferris
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/68; G11B3/685; G09; G09B; G09B5/00; G09B5/04; G11B27/00; G11B27/005; G11B27/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS OF RECORDING DATA REPRESENTING COMPLEX INFORMATION OCCURRING AT A PREDETERMINED RATE IN A FORM ADAPTED TO BE REPRODUCED AT A PLURALITY OF RATES COMPRISING THE STEPS OF RECORDING SAID DATA A PLURALITY OF TIMES, AT LEAST ONE OF SAID RECORDINGS BEING AT A RATE DIFFERENT FROM SAID PREDETERMINED RATE AND RE-RECORDING SAID DATA ON A PERMANENT RECORD.
Claim 2
Dependent Claim
59 words
A PROCESS OF RECORDING DATA REPRESENTING COMPLEX INFORMATION OCCURRING AT A PREDETERMINED RATE IN A FORM ADAPTED TO BE REPRODUCED AT A PLURALITY OF RATES COMPRISING THE STEPS OF RECORDING SAID DATA A PLURALITY OF TIMES, AT LEAST ONE OF SAID RECORDINGS BEING AT A RATE DIFFERENT FROM SAID PREDETERMINED RATE AND RE-RECORDING SAID DATA ON A PERMANENT RECORD.
References Cited (Backward Citations)
US1719339A
Cited
US2352023A
Cited
US2396409A
Cited
US2539837A
Cited
US2875436A
Cited
US2903521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |