US1654602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: CHARLES A BALCOLM
•
Filing: 1924-02-07
•
Granted: 1928-01-03
•
Expires: 1944-02-07
Abstract
No abstract record available.
Inventors
- 👤 Joy S Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:48
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3584; Y10T137/36; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7765; Y10T137/7781; Y10T137/7834; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686; Y10T137/87169
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) | 1931-01-02 | 1931-07-04 | 1932-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-02 | 1935-07-04 | 1936-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-02 | 1939-07-04 | 1940-01-03 | $7700.00 | Window Closed / Lapsed |