Patent US2993148A successfully refreshed from Google Patents.
Patent US2552128A successfully refreshed from Google Patents.
US2552128A
Expired / Lapsed
US
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Sofa bed
Assignee: PARKWAY FURNITURE Manufacturing Co
•
Filing: 1950-05-23
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Granted: 1951-05-08
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Waxman David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:24
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US154060A
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US268600A
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US351641A
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US595913A
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US667983A
Cited
US888865A
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US1607420A
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US2033841A
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US2209880A
Cited
US2291677A
Cited
US2335036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |