US2008375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifreeze valve
Assignee: A W WHEATON BRASS WORKS
•
Filing: 1934-07-10
•
Granted: 1935-07-16
•
Expires: 1954-07-10
Abstract
No abstract record available.
Inventors
- 👤 Abram W Wheaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; B67D7/766; E; E03; E03B; E03B7/00; E03B7/09; E03B7/10; E03B7/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7256; Y10T137/8593; Y10T137/86348; Y10T137/86493; Y10T137/86879; Y10T137/86895; Y10T137/87265; Y10T137/87322; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619
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) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |