Patent US1714945A successfully refreshed from Google Patents.
US1714945A
Expired / Lapsed
US
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Conveying apparatus
Assignee: DRAVO DOYLE Co
•
Filing: 1927-08-23
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Granted: 1929-05-28
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Expires: 1947-08-23
Abstract
No abstract record available.
Inventors
- 👤 Buhl William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:59
CPC Classifications
B; B66; B66C; B66C13/00; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-05-27 | 1932-11-26 | 1933-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-27 | 1936-11-26 | 1937-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-27 | 1940-11-26 | 1941-05-28 | $7700.00 | Window Closed / Lapsed |