US3005997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sofa beds
Assignee: Seng Co
•
Filing: 1957-03-28
•
Granted: 1961-10-31
•
Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:16
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/13; A47C17/136; A47C17/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790884A
Cited
FR726797A
Cited
US2557734A
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US2548570A
Cited
CH263009A
Cited
DE811374C
Cited
US2738520A
Cited
US2786212A
Cited
US2719985A
Cited
US2834969A
Cited
US2789291A
Cited
FR1137973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |