US2482887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive system for magnetic recorders
Assignee: Lear Inc
•
Filing: 1945-10-25
•
Granted: 1949-09-27
•
Expires: 1965-10-25
Abstract
No abstract record available.
Inventors
- 👤 Willard H Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:50
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B25/00; G11B25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1499521A
Cited
US1482802A
Cited
US1665784A
Cited
US2069595A
Cited
US2248790A
Cited
US2369017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |