Patent US2609828A successfully refreshed from Google Patents.
US2609828A
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US
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Washing device for artificial dentures
Assignee: Individual
•
Filing: 1949-09-19
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Granted: 1952-09-09
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Expires: 1969-09-19
Abstract
No abstract record available.
Inventors
- 👤 Ward Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:51
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB415560A
Cited
US1235122A
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US1345059A
Cited
FR712516A
Cited
US1916509A
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US1927051A
Cited
US2081636A
Cited
US2267580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |