US2774892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular vibrator with lumped loading
Assignee: Bendix Aviation Corp
•
Filing: 1951-05-29
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Granted: 1956-12-18
•
Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Leon W Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:06
CPC Classifications
H; H04; H04R; H04R17/00; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0622; B06B1/0644; B06B1/0655; G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874960A
Cited
US1975517A
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US2161980A
Cited
GB579237A
Cited
US2509913A
Cited
US2490452A
Cited
US2540412A
Cited
US2614143A
Cited
US2546321A
Cited
US2618698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |