US2840830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable sofa-bed provided with frame locking means
Assignee: Individual
•
Filing: 1953-09-25
•
Granted: 1958-07-01
•
Expires: 1973-09-25
Abstract
No abstract record available.
Inventors
- 👤 John M Pokorny
- 👤 Jr Louis Pokorny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23; A47C17/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127874A
Cited
US1179203A
Cited
US2595038A
Cited
US2445241A
Cited
US2576062A
Cited
US2642583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |