US1713316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-reseating device
Assignee: Individual
•
Filing: 1925-09-23
•
Granted: 1929-05-14
•
Expires: 1945-09-23
Abstract
No abstract record available.
Inventors
- 👤 Carl A Yertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:21
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; B23C3/051; B23C3/053; B23C3/056; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/4322; Y10T137/4329; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/564; Y10T408/5647
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) | 1932-05-13 | 1932-11-12 | 1933-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-13 | 1936-11-12 | 1937-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-13 | 1940-11-12 | 1941-05-14 | $7700.00 | Window Closed / Lapsed |