US3517610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for the production of hot-pressed sheets
Assignee: Individual
•
Filing: 1967-09-19
•
Granted: 1970-06-30
•
Expires: 1987-09-19
Abstract
No abstract record available.
Inventors
- 👤 Eugen Siempelkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:20
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2159779A
Cited
US2310619A
Cited
US2638964A
Cited
DE977412C
Cited
US2874751A
Cited
US3029178A
Cited
US3071805A
Cited
US3070004A
Cited
US3236174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |