US2006152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control
Assignee: GEN PLATE CO
•
Filing: 1933-07-31
•
Granted: 1935-06-25
•
Expires: 1953-07-31
Abstract
No abstract record available.
Inventors
- 👤 John A Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:39
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/8593; Y10T137/86389
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) | 1938-06-24 | 1938-12-24 | 1939-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-24 | 1942-12-24 | 1943-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-24 | 1946-12-24 | 1947-06-25 | $7700.00 | Window Closed / Lapsed |