Patent US821300A successfully refreshed from Google Patents.
US821300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap-feeding machine.
Assignee: HOFFHEIMER SOAP CO
•
Filing: 1905-06-03
•
Granted: 1906-05-22
•
Expires: 1925-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert H Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:28
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/26; A; A47; A47J; A47J43/00; A47J43/25; A47J43/255; Y; Y10; Y10S; Y10S241/00; Y10S241/602
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1909-05-21 | 1909-11-20 | 1910-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-21 | 1913-11-20 | 1914-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-21 | 1917-11-20 | 1918-05-22 | $7700.00 | Window Closed / Lapsed |