Patent US1327031A successfully refreshed from Google Patents.
US1327031A
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Train-pipe coupling
Assignee: ALBERT D DENIS
•
Filing: 1918-06-29
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Granted: 1920-01-06
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Expires: 1938-06-29
Abstract
No abstract record available.
Inventors
- 👤 John B Genin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/06; B61G5/08; B60; B60D; B60D1/00; B60D1/58; B60D1/62; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6866; Y10T137/6873; Y10T137/8593; Y10T137/87153; Y10T137/87161
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) | 1923-01-05 | 1923-07-07 | 1924-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-01-05 | 1927-07-07 | 1928-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-01-05 | 1931-07-07 | 1932-01-06 | $7700.00 | Window Closed / Lapsed |