US2668196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph apparatus
Assignee: Shure Inc
•
Filing: 1949-04-30
•
Granted: 1954-02-02
•
Expires: 1969-04-30
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:49
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20680E
Cited
DE586488C
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US2212530A
Cited
GB488294A
Cited
US2280763A
Cited
US2381861A
Cited
US2479894A
Cited
US2568673A
Cited
US2484950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |