US2805862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for recording chiefly on magnetic carriers
Assignee: Individual
•
Filing: 1952-03-18
•
Granted: 1957-09-10
•
Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Soubrier Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:11
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1906124A
Cited
US2029730A
Cited
US2209157A
Cited
CH221987A
Cited
US2333235A
Cited
GB633488A
Cited
US2538892A
Cited
US2558853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |