Patent US2416135A successfully refreshed from Google Patents.
US2416135A
Expired / Lapsed
US
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Phonographic apparatus
Assignee: Individual
•
Filing: 1945-06-04
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Granted: 1947-02-18
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Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 Appleby Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:28
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/08; G11B7/09; G11B7/0901; G11B7/24; Y; Y10; Y10S; Y10S29/00; Y10S29/097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US865574A
Cited
US1766046A
Cited
DE636415C
Cited
US1874550A
Cited
US2078113A
Cited
US2092892A
Cited
DK49580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |