US2706566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating attachment for hopper cars and the like
Assignee: VIBRO PLUS CORP
•
Filing: 1951-12-27
•
Granted: 1955-04-19
•
Expires: 1971-12-27
Abstract
No abstract record available.
Inventors
- 👤 Friedh Eric
- 👤 Kuensel Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:06
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965807A
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US1211611A
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US1774977A
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US2108416A
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US2060130A
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US2235001A
Cited
US2260611A
Cited
US2229037A
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US2400140A
Cited
US2507749A
Cited
US2523212A
Cited
US2621813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |