US2647594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible trunk
Assignee: Individual
•
Filing: 1948-04-30
•
Granted: 1953-08-04
•
Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Lutzelschwab Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:43
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45F; A45F4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US772966A
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US854602A
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FR625382A
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US2071644A
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CH194907A
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FR846065A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |