US3042935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible sofas
Assignee: Individual
•
Filing: 1959-02-05
•
Granted: 1962-07-10
•
Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Kaj Duedahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:07
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/17; A47C17/175; A47C17/1753; A47C17/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US652744A
Cited
US863365A
Cited
US2321206A
Cited
US2319337A
Cited
US2395424A
Cited
US2627613A
Cited
US2628367A
Cited
US2796615A
Cited
FR1091654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |