Patent US4727487A successfully refreshed from Google Patents.
Patent US1695617A successfully refreshed from Google Patents.
US1695617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for engraving printing cylinders
Assignee: Individual
•
Filing: 1925-09-18
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Granted: 1928-12-18
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Expires: 1945-09-18
Abstract
No abstract record available.
Inventors
- 👤 Teissere Albert
- 👤 Teissere Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:15
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/001; Y; Y10; Y10S; Y10S409/00; Y10S409/901; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143
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) | 1931-12-18 | 1932-06-18 | 1932-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-18 | 1936-06-18 | 1936-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-18 | 1940-06-18 | 1940-12-18 | $7700.00 | Window Closed / Lapsed |