US2511769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method fok connect
Assignee: —
•
Filing: —
•
Granted: 1950-06-13
•
Expires: 1967-06-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:05
CPC Classifications
B; B21; B21F; B21F45/00; B21F45/16; B21F45/24; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/17; Y10T156/1702; Y10T156/1798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942249A
Cited
US1977946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |