US2687111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stamping unit for ink marking devices
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1951-07-28
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Granted: 1954-08-24
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Expires: 1971-07-28
Abstract
No abstract record available.
Inventors
- 👤 George L Deniston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:49
CPC Classifications
B; B05; B05C; B05C1/00; B05C1/04; B05C1/08; B05C1/10; B05C1/06; B41; B41F; B41F31/00; B41F31/24; B41K; B41K3/00; B41K3/54; B41K3/56; B41K3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1570857A
Cited
US2007588A
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US1939612A
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US2170218A
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US2315996A
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US2414895A
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US2478318A
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US2562627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |