US2779390A
Expired / Lapsed
US
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Assignee: NU PARQ PRODUCTS Ltd
•
Filing: 1954-02-23
•
Granted: 1957-01-29
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Freeman Edwin George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:54
CPC Classifications
A; A47; A47C; A47C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US139948A
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US2732005A
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US1362041A
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US1526920A
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GB241462A
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US1711085A
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US1937055A
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GB616243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |