Patent US3608049A successfully refreshed from Google Patents.
Patent US2620731A successfully refreshed from Google Patents.
US2620731A
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US
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Hand stamp device
Assignee: NCR Voyix Corp
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Filing: 1950-03-15
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Granted: 1952-12-09
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Expires: 1970-03-15
Abstract
No abstract record available.
Inventors
- 👤 Bruce K Slonneger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:51
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/02; B41K1/04; B41K1/36; B41K1/56; Y; Y10; Y10T; Y10T279/00; Y10T279/23; Y10T279/34; Y10T279/3481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |