US2645498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickup arm having a rotatable cartridge with two needles
Assignee: Individual
•
Filing: 1948-08-11
•
Granted: 1953-07-14
•
Expires: 1968-08-11
Abstract
No abstract record available.
Inventors
- 👤 Miller Walter
- 👤 James L D Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US488280A
Cited
US773304A
Cited
US842897A
Cited
US1067530A
Cited
FR457186A
Cited
US1243853A
Cited
US1394804A
Cited
US1816831A
Cited
US1992893A
Cited
US2113401A
Cited
US2087135A
Cited
US2320572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |