Patent US2611969A successfully refreshed from Google Patents.
US2611969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic clamping and division apparatus
Assignee: Individual
•
Filing: 1947-08-06
•
Granted: 1952-09-30
•
Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Hrcek Klement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:42
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1543; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5443; Y; Y10; Y10T; Y10T74/00; Y10T74/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US420278A
Cited
US612412A
Cited
GB191320402A
Cited
US1814891A
Cited
US2101671A
Cited
US2173519A
Cited
US2345312A
Cited
US2342539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |