US813637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Train-pipe coupling.
Assignee: Individual
•
Filing: 1905-12-14
•
Granted: 1906-02-27
•
Expires: 1925-12-14
Abstract
No abstract record available.
Inventors
- 👤 John Adam Frenzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:49
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/06; B61G5/08; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6866; Y10T137/6873
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) | 1909-02-26 | 1909-08-28 | 1910-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-26 | 1913-08-28 | 1914-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-26 | 1917-08-28 | 1918-02-27 | $7700.00 | Window Closed / Lapsed |