US2495934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph needle
Assignee: Individual
•
Filing: 1945-09-21
•
Granted: 1950-01-31
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Andrew D Kondrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:48
CPC Classifications
B; B23; B23P; B23P5/00; G; G11; G11B; G11B3/00; G11B3/44; G11B3/46; G11B3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190908562A
Cited
US1039208A
Cited
US1235154A
Cited
US1084573A
Cited
US1490875A
Cited
GB202493A
Cited
US1768704A
Cited
FR683271A
Cited
US2031948A
Cited
US2140392A
Cited
US2342813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |