US3516151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodynamic transducer and method of manufacturing same
Assignee: US Philips Corp
•
Filing: 1966-07-14
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Granted: 1970-06-23
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Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Kuno Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:25
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/52; B29C65/54; B29C65/4805; B29C65/483; B29C65/4835; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; H; H04; H04R; H04R31/00; H04R31/006; H04R9/00; H04R9/02; H04R9/04; H04R9/045; B29C65/486; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49005; Y10T29/4902; Y10T29/49762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907687A
Cited
US1969256A
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US2408038A
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US2392143A
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US2540450A
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US2596364A
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US2640556A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |