US2988838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing prototypes of embossed sheets
Assignee: Eastern Engraving and Machine Co Inc
•
Filing: 1958-01-29
•
Granted: 1961-06-20
•
Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Morgan John Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:38
CPC Classifications
B; B41; B41C; B41C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1061059A
Cited
US1379434A
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US1161881A
Cited
US1799773A
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US1898798A
Cited
US2606855A
Cited
US2587439A
Cited
US2762036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |