Patent US2455828A successfully refreshed from Google Patents.
US2455828A
Expired / Lapsed
US
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Method for production of washing machine tubs
Assignee: MUILINS Manufacturing CORP
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Filing: 1944-02-03
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Granted: 1948-12-07
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Expires: 1964-02-03
Abstract
No abstract record available.
Inventors
- 👤 Theil Michael
- 👤 Benjamin A Woina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:50
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/18; B21D51/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441368A
Cited
GB189703261A
Cited
US1118372A
Cited
US1486280A
Cited
US2239696A
Cited
US2131027A
Cited
US2292669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |