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Patent US2783480A successfully refreshed from Google Patents.
US2783480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible bed couch
Assignee: Individual
•
Filing: 1950-05-31
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Granted: 1957-03-05
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Shankman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/32; A47C17/22; A47C17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US271485A
Cited
GB150302A
Cited
US1413593A
Cited
DE581530C
Cited
US2081374A
Cited
US2087574A
Cited
US2523987A
Cited
CH261594A
Cited
CH264248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |