Patent US5104388A successfully refreshed from Google Patents.
US1914016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleansing and sterilizing the disks of centrifugal separators
Assignee: Individual
•
Filing: 1932-07-29
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Granted: 1933-06-13
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Expires: 1952-07-29
Abstract
No abstract record available.
Inventors
- 👤 Hobi Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:10
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/07; B; B04; B04B; B04B15/00; B04B15/06; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53943; Y10T29/53948
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) | 1936-06-12 | 1936-12-12 | 1937-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-12 | 1940-12-12 | 1941-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-12 | 1944-12-12 | 1945-06-13 | $7700.00 | Window Closed / Lapsed |