US2628996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible folded terminal for electrical coils
Assignee: AT&T Inc
•
Filing: 1949-01-21
•
Granted: 1953-02-17
•
Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Louis A Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:40
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923564A
Cited
US1833221A
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GB385721A
Cited
US2047159A
Cited
US2216558A
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US2216559A
Cited
US2166841A
Cited
US2334584A
Cited
GB558687A
Cited
US2424788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |