Patent EP0220097A1 successfully refreshed from Google Patents.
US1909336A
Expired / Lapsed
US
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Water filler for sterilizers
Assignee: Wilmot Castle Co
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Filing: 1929-06-25
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Granted: 1933-05-16
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Expires: 1949-06-25
Abstract
No abstract record available.
Inventors
- 👤 John H Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/26; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3222; Y10T137/4456; Y10T137/4463; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7446; Y10T137/8593; Y10T137/86292
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |