US2439679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preventing duplication of marks on laundry
Assignee: Individual
•
Filing: 1944-09-28
•
Granted: 1948-04-13
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Silverman Willie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:03
CPC Classifications
D; D06; D06F; D06F93/00; D06F93/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US925923A
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US1196114A
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US1233699A
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US1167733A
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US1836671A
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US1725384A
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US1875870A
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US2019897A
Cited
US2113867A
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US2334430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |