US1192870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain-plug and relief-valve.
Assignee: Individual
•
Filing: 1915-03-19
•
Granted: 1916-08-01
•
Expires: 1935-03-19
Abstract
No abstract record available.
Inventors
- 👤 August E Daum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:12
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/8782; Y10T137/87917
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) | 1919-08-01 | 1920-01-31 | 1920-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-08-01 | 1924-01-31 | 1924-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-08-01 | 1928-01-31 | 1928-08-01 | $7700.00 | Window Closed / Lapsed |