US1465742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve devicf for wood-treating cylinders
Assignee: Individual
•
Filing: 1922-05-24
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Granted: 1923-08-21
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Expires: 1942-05-24
Abstract
No abstract record available.
Inventors
- 👤 Grant B Shipley
- 👤 Jack B Shipley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:14
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/08; B27K3/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/2937; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7455; Y10T137/8593; Y10T137/86919; Y10T137/87169; Y10T137/87217; Y10T137/87225; Y10T137/877; Y10T137/87708; Y10T137/87764
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) | 1926-08-20 | 1927-02-19 | 1927-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-20 | 1931-02-19 | 1931-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-20 | 1935-02-19 | 1935-08-21 | $7700.00 | Window Closed / Lapsed |