US2938219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sofa bed
Assignee: INTRICATE METAL PRODUCTS Inc
•
Filing: 1953-12-04
•
Granted: 1960-05-31
•
Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Ole J Hesselberg
- 👤 Richard A Nowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:32
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US984001A
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US1095465A
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US1126010A
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US1127874A
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US1265073A
Cited
US1228158A
Cited
US2576062A
Cited
US2656547A
Cited
US2642583A
Cited
US2676335A
Cited
US2728922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |