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US2964329A
Expired / Lapsed
US
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Self tensioning detachable luggage caster rollers
Assignee: Individual
•
Filing: 1958-08-07
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Granted: 1960-12-13
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Beck Olga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:11
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C5/143; B; B62; B62B; B62B5/00; B62B5/0083; B62B2202/00; B62B2202/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2174661A
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US2159857A
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US2373328A
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US2424641A
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GB676355A
Cited
US2683609A
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US2789828A
Cited
FR1117176A
Cited
US2848732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |