US737809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for pumps.
Assignee: Individual
•
Filing: 1902-10-10
•
Granted: 1903-09-01
•
Expires: 1922-10-10
Abstract
No abstract record available.
Inventors
- 👤 Richard Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
A; A47; A47K; A47K5/00; A47K5/06; A47K5/12; A47K5/1202; A47K5/1204; F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; F16K17/00; F16K17/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7774; Y10T137/7775; Y10T137/7781; Y10T137/7832; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/7929; Y10T137/7937
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) | 1906-08-31 | 1907-03-02 | 1907-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-31 | 1911-03-02 | 1911-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-31 | 1915-03-02 | 1915-09-01 | $7700.00 | Window Closed / Lapsed |