US2664820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand stamp device
Assignee: NCR Voyix Corp
•
Filing: 1950-07-07
•
Granted: 1954-01-05
•
Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr George T Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:35
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/36; B41K1/56; B41K1/02; B41K1/04; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US357587A
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US346605A
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US788488A
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US884481A
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US1001689A
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US1259238A
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US1656450A
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US1769583A
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DE520163C
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US1854215A
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US2234422A
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US2427765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |