Patent US2805785A successfully refreshed from Google Patents.
US2805785A
Expired / Lapsed
US
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Automatic transfer device
Assignee: Individual
•
Filing: 1952-06-21
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Granted: 1957-09-10
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Expires: 1972-06-21
Abstract
No abstract record available.
Inventors
- 👤 Preuss Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:11
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/02; B65B25/04; B65B25/046; B65B69/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2068156A
Cited
US911725A
Cited
US1295195A
Cited
US2062503A
Cited
US2344664A
Cited
US2499621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |