Patent US2561631A successfully refreshed from Google Patents.
US2561631A
Expired / Lapsed
US
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Automatic glass washing and sterilizing machine
Assignee: Individual
•
Filing: 1944-12-27
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Granted: 1951-07-24
•
Expires: 1964-12-27
Abstract
No abstract record available.
Inventors
- 👤 John A Negri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:29
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323216A
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US1670611A
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US821250A
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US1452710A
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US1495473A
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US1927665A
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US1633396A
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US1980064A
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US2154559A
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US2155272A
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US2314332A
Cited
US2279619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |