US3373681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender
Assignee: JOSEPH ECK AND SOHNE Firma
•
Filing: 1965-10-18
•
Granted: 1968-03-19
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jaegers Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:07
CPC Classifications
D; D06; D06C; D06C15/00; D06C15/02; D21; D21G; D21G1/00; D21G1/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2058352A
Cited
US2850952A
Cited
US3155029A
Cited
US3157110A
Cited
US3158088A
Cited
US3183826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |