US2968695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for monitoring and controlling the motion of a sound source
Assignee: Individual
•
Filing: 1955-09-08
•
Granted: 1961-01-17
•
Expires: 1975-09-08
Abstract
No abstract record available.
Inventors
- 👤 Edith L R Corliss
- 👤 Mahlon D Burkhard
- 👤 Koidan Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:00
CPC Classifications
H; H04; H04R; H04R3/00; H04R3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1732393A
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US2025719A
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US2394613A
Cited
US2310048A
Cited
US2400953A
Cited
US2488927A
Cited
US2493819A
Cited
US2857461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |