US2912238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet folding machine with several folding devices
Assignee: Individual
•
Filing: 1956-07-09
•
Granted: 1959-11-10
•
Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Karnahl Friedrich Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:49
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1746444A
Cited
US1641423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |