US1200844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain-valve for pumps.
Assignee: Individual
•
Filing: 1916-03-25
•
Granted: 1916-10-10
•
Expires: 1936-03-25
Abstract
No abstract record available.
Inventors
- 👤 John C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:26
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0086; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86179
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) | 1919-10-10 | 1920-04-10 | 1920-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-10-10 | 1924-04-10 | 1924-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-10-10 | 1928-04-10 | 1928-10-10 | $7700.00 | Window Closed / Lapsed |