Patent US1856656A successfully refreshed from Google Patents.
US1856656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecter for train pipes
Assignee: Individual
•
Filing: 1920-09-25
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Granted: 1932-05-03
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Expires: 1940-09-25
Abstract
No abstract record available.
Inventors
- 👤 Edward A Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:48
CPC Classifications
F; F16; F16L; F16L39/00; B; B61; B61G; B61G5/00; B61G5/06; B61G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |