US2938962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azimuth seeking reproducing head
Assignee: KONINS
•
Filing: 1955-07-12
•
Granted: 1960-05-31
•
Expires: 1975-07-12
Abstract
No abstract record available.
Inventors
- 👤 Julius A Konins
- 👤 Henry C Pollak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/602; G11B21/00; G11B21/02; G11B21/10; G11B21/103; G11B5/00; G11B5/008; G11B5/00813; G11B5/00817; G11B5/48; G11B5/58; G11B5/584
Claims Analysis
Total Claims: 0
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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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |