US2534555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-07-20
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Granted: 1950-12-19
•
Expires: 1966-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kronouer Johan George
- 👤 Bernard Leonard Van Kouwen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:53
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7621
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR744842A
Cited
US1792866A
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GB334310A
Cited
FR766524A
Cited
FR44226E
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FR44663E
Cited
US2187527A
Cited
US2259739A
Cited
US2259738A
Cited
CH213132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |