Patent US2847227A successfully refreshed from Google Patents.
US2847227A
Expired / Lapsed
US
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Collapsible hamper cart
Assignee: Individual
•
Filing: 1955-12-30
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Granted: 1958-08-12
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harry G Lankford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/106; B62B2202/00; B62B2202/22; B62B5/00; B62B5/02; B62B5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1428000A
Cited
US2531520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |