US2661828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer system
Assignee: EW Buschman Co Inc
•
Filing: 1948-02-13
•
Granted: 1953-12-08
•
Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolph B Vogt
- 👤 Jesse F Keville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:53
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/34; B65G47/46; B65G47/48; B65G47/482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US684776A
Cited
US1271303A
Cited
US1331622A
Cited
US1826412A
Cited
US1992686A
Cited
US1875966A
Cited
US1907894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |