US1080134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversing-valve.
Assignee: Individual
•
Filing: 1910-03-14
•
Granted: 1913-12-02
•
Expires: 1930-03-14
Abstract
No abstract record available.
Inventors
- 👤 Walter O Amsler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
F; F23; F23L; F23L15/00; F23L15/02; Y; Y02; Y02E; Y02E20/00; Y02E20/34; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621; Y10T137/4628; Y10T137/4636; Y10T137/5544; Y10T137/5689
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) | 1916-12-01 | 1917-06-02 | 1917-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-01 | 1921-06-02 | 1921-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-01 | 1925-06-02 | 1925-12-02 | $7700.00 | Window Closed / Lapsed |