Patent US2431999A successfully refreshed from Google Patents.
US2431999A
Expired / Lapsed
US
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Electrical connector block
Assignee: Glenn L Martin Co
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Filing: 1944-07-25
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Granted: 1947-12-02
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Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 Richard A Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
H; H01; H01R; H01R9/00; H01R9/22; H01R9/24; H01R9/2491; H01R31/00; H01R31/02; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB286966A
Cited
US2039916A
Cited
US2198193A
Cited
US2178092A
Cited
GB543900A
Cited
GB547198A
Cited
US2327048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |