US2583183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for washing spongy material
Assignee: Motors Liquidation Co
•
Filing: 1948-03-03
•
Granted: 1952-01-22
•
Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 John T Marvin
- 👤 George H Mcfadden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:58
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/041; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2344987A
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US2466477A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |