US1079847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Train-pipe cock and operating mechanism therefor.
Assignee: Individual
•
Filing: 1911-10-28
•
Granted: 1913-11-25
•
Expires: 1931-10-28
Abstract
No abstract record available.
Inventors
- 👤 Emory B Dunkel
- 👤 Frank S Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0647; 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) | 1916-11-24 | 1917-05-26 | 1917-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-11-24 | 1921-05-26 | 1921-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-11-24 | 1925-05-26 | 1925-11-25 | $7700.00 | Window Closed / Lapsed |