US2678720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for vibratory conveyers and the like
Assignee: Ajax Flexible Coupling Co Inc
•
Filing: 1948-11-29
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Granted: 1954-05-18
•
Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Brumagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:52
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0348; B65G2812/0364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US422043A
Cited
US1495850A
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US2241527A
Cited
US2337174A
Cited
US2332600A
Cited
US2325248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |