Patent US3437176A successfully refreshed from Google Patents.
US3437176A
Expired / Lapsed
US
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Grocery cart with inclined bottom having a front opening gate system
Assignee: United Steel and Wire Co
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Filing: 1967-01-17
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Granted: 1969-04-08
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Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Harold J Ruttenberg
- 👤 Garth Close
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:19
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/02; E04H3/04; A; A47; A47F; A47F9/00; A47F9/02; A47F9/04; A47F9/045; B; B62; B62B; B62B3/00; B62B3/14; B62B3/148; B62B3/1484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2662661A
Cited
GB688130A
Cited
US2813725A
Cited
US3052319A
Cited
US3036722A
Cited
US3039783A
Cited
US3115975A
Cited
US3306398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |