US3524512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled driving and steering truck for shopping carts
Assignee: ARWED J BARNOWSKY
•
Filing: 1968-02-21
•
Granted: 1970-08-18
•
Expires: 1988-02-21
Abstract
No abstract record available.
Inventors
- 👤 Elton L Voeks
- 👤 Arwed J Barnowsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/06; B62D61/08; B62B; B62B5/00; B62B5/002; B62B5/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3273661A
Cited
US2931450A
Cited
US3015494A
Cited
US3157871A
Cited
US3044801A
Cited
US3073404A
Cited
US3375018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |