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US2957588A
Expired / Lapsed
US
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Collapsible serving trolleys
Assignee: FRITZ BREMSHEY AND KARL HEINZ
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Filing: 1959-04-22
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Granted: 1960-10-25
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Muller Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:30
CPC Classifications
A; A47; A47B; A47B31/00; A47B31/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1167550A
Cited
FR1133044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |