US1078774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-engine valve-reversing gear.
Assignee: Individual
•
Filing: 1913-08-21
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Granted: 1913-11-18
•
Expires: 1933-08-21
Abstract
No abstract record available.
Inventors
- 👤 William Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:51
CPC Classifications
F; F15; F15B; F15B18/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898
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) | 1916-11-17 | 1917-05-19 | 1917-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-11-17 | 1921-05-19 | 1921-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-11-17 | 1925-05-19 | 1925-11-18 | $7700.00 | Window Closed / Lapsed |