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US1146413A
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Method for producing tablets for sound-records.
Assignee: NEW JERSEY PATENT CO
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Filing: 1911-12-20
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Granted: 1915-07-13
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Expires: 1931-12-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Edison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:20
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29D; B29D17/00; B29D17/002; B29C43/10; B29C43/32; B29C2043/3205; B29C2043/3216; B29C2043/3222; B29C43/36; B29C43/3642; B29C2043/3647; B29K; B29K2021/00; B29L; B29L2017/00; B29L2017/001; B29L2017/003; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1918-07-12 | 1919-01-11 | 1919-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-12 | 1923-01-11 | 1923-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-12 | 1927-01-11 | 1927-07-13 | $7700.00 | Window Closed / Lapsed |