Patent US2711322A successfully refreshed from Google Patents.
US2711322A
Expired / Lapsed
US
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Phonograph stylus support
Assignee: General Electric Co
•
Filing: 1949-10-29
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Granted: 1955-06-21
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Expires: 1969-10-29
Abstract
No abstract record available.
Inventors
- 👤 Dally Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:39
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/16; H04R1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602453A
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US1142883A
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US1160146A
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US1185266A
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US1349205A
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US2239717A
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US2426061A
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US2554208A
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US2601988A
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US2499196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |