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Patent US1809466A successfully refreshed from Google Patents.
US1809466A
Expired / Lapsed
US
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Intaglio printing machine
Assignee: Johannisberg Maschf GmbH
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Filing: 1928-12-03
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Granted: 1931-06-09
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Expires: 1948-12-03
Abstract
No abstract record available.
Inventors
- 👤 Albrecht Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-06-08 | 1934-12-08 | 1935-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-08 | 1938-12-08 | 1939-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-08 | 1942-12-08 | 1943-06-09 | $7700.00 | Window Closed / Lapsed |