Patent US2581323A successfully refreshed from Google Patents.
US2581323A
Expired / Lapsed
US
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Stamp vending machine
Assignee: Commercial Controls Corp
•
Filing: 1945-12-15
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Granted: 1952-01-01
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Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Christian M Gottschau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397975A
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US428751A
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US577533A
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US2258912A
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US2264647A
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US1784585A
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US1850443A
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US1847988A
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US1949541A
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US2062298A
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US2249236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |