US3049723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible bed
Assignee: Englander Co Inc
•
Filing: 1959-01-07
•
Granted: 1962-08-21
•
Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Ervin H Thierfelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:44
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/34; A47C17/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1055109A
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US1402432A
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US1524811A
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DE664753C
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US2602937A
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US2783480A
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US2691174A
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AT183188B
Cited
AT186385B
Cited
US2796614A
Cited
US2909789A
Cited
US2955297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |