Patent US3028940A successfully refreshed from Google Patents.
US3028940A
Expired / Lapsed
US
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Coin apparatus
Assignee: National Vendors Inc
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Filing: 1956-12-20
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Granted: 1962-04-10
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Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Alvin W Holstein
- 👤 James T Schuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:56
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/18; G07F5/02; G07F9/00; G07F9/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1635451A
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Cited
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US2542034A
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US2769023A
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US2639016A
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US2802473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |