US1970039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lavatory valve
Assignee: Speakman Co
•
Filing: 1928-04-11
•
Granted: 1934-08-14
•
Expires: 1948-04-11
Abstract
No abstract record available.
Inventors
- 👤 Fraser James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/05; E03C1/052; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085; Y10T137/8593; Y10T137/86928; Y10T137/86992; Y10T137/87016; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |