Patent US1784664A successfully refreshed from Google Patents.
US1784664A
Expired / Lapsed
US
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Separator
Assignee: Individual
•
Filing: 1928-11-07
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Granted: 1930-12-09
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Expires: 1948-11-07
Abstract
No abstract record available.
Inventors
- 👤 Eickholt Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:51
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/04; B; B04; B04C; B04C5/00; B04C5/02; B04C5/08; B04C5/103; B04C7/00; C; C25; C25B; C25B11/00; C25B11/02; C25B11/033; C25B9/00; C25B9/005; C25B9/30; C25B9/303; C25B9/70
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) | 1933-12-08 | 1934-06-09 | 1934-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-08 | 1938-06-09 | 1938-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-08 | 1942-06-09 | 1942-12-09 | $7700.00 | Window Closed / Lapsed |