US2567790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minitature railway connector
Assignee: Individual
•
Filing: 1946-06-15
•
Granted: 1951-09-11
•
Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Stephan Schaffan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/30; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T428/00; Y10T428/12; Y10T428/12361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US387399A
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US439228A
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US792163A
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US2252305A
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US2222842A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |