US2504512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-soldering sleeve
Assignee: Individual
•
Filing: 1945-12-05
•
Granted: 1950-04-18
•
Expires: 1965-12-05
Abstract
No abstract record available.
Inventors
- 👤 Warren E Esslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:43
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/02; H01R4/021; H01R4/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE248020C
Cited
CH31444A
Cited
US934711A
Cited
FR441746A
Cited
US1662945A
Cited
US1952561A
Cited
US2055878A
Cited
US2146393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |