US2427062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrational energy transmitter or receiver
Assignee: Brush Development Co
•
Filing: 1944-06-02
•
Granted: 1947-09-09
•
Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Massa Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:44
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0629; H; H04; H04R; H04R17/00; Y; Y10; Y10S; Y10S367/00; Y10S367/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB279878A
Cited
US1802781A
Cited
US1980957A
Cited
US2063950A
Cited
US2138036A
Cited
US2181132A
Cited
US2407271A
Cited
US2407329A
Cited
US2407643A
Cited
US2324024A
Cited
US2405605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |