US3405288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound and vibration detector device
Assignee: Individual
•
Filing: 1966-02-25
•
Granted: 1968-10-08
•
Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 William A Dittrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:44
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/04; H04R17/00; H04R17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3090939A
Cited
US2972068A
Cited
US3054982A
Cited
US3079584A
Cited
US3239696A
Cited
US3148677A
Cited
US3322980A
Cited
US3294988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |