Patent US3389388A successfully refreshed from Google Patents.
US3389388A
Expired / Lapsed
US
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Electronic malfunction control for vending machines
Assignee: Victor Products Corp
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Filing: 1967-11-08
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Granted: 1968-06-18
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Knud J Helsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:08
CPC Classifications
G; G07; G07F; G07F9/00; G07F9/02; H; H03; H03K; H03K17/00; H03K17/28; H03K17/292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |