US3384074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic sleep induction apparatus
Assignee: RAUTIOLA
•
Filing: 1965-09-24
•
Granted: 1968-05-21
•
Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Norman A Rautiola
- 👤 John M Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:25
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/02; A; A61; A61M; A61M21/00; A63; A63H; A63H3/00; A63H3/001; A63H3/28; A61M2021/0005; A61M2021/0027; Y; Y10; Y10S; Y10S5/00; Y10S5/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189415665A
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US1759761A
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US2644153A
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US2794298A
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US2859731A
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US2954642A
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US3160159A
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US3103762A
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US3080679A
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US3207847A
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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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |