Patent US2472094A successfully refreshed from Google Patents.
US2472094A
Expired / Lapsed
US
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Clothespin sack
Assignee: Individual
•
Filing: 1946-04-02
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Granted: 1949-06-07
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Expires: 1966-04-02
Abstract
No abstract record available.
Inventors
- 👤 Florence E Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:17
CPC Classifications
D; D06; D06F; D06F53/00; D06F53/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368091A
Cited
AT20067B
Cited
US844636A
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US1239298A
Cited
US1214367A
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GB217862A
Cited
US1733848A
Cited
US1683032A
Cited
US1700686A
Cited
US1715994A
Cited
US2318735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |