US2533933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical socket
Assignee: United Carr Fastener Corp
•
Filing: 1947-09-15
•
Granted: 1950-12-12
•
Expires: 1967-09-15
Abstract
No abstract record available.
Inventors
- 👤 Heath Clarence Willans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:43
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189339A
Cited
US1813167A
Cited
GB232366A
Cited
GB239632A
Cited
GB245950A
Cited
US1982077A
Cited
US2005682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |