US2577828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayer head control mechanism
Assignee: A B FARQUHAR Co
•
Filing: 1947-12-02
•
Granted: 1951-12-11
•
Expires: 1967-12-02
Abstract
No abstract record available.
Inventors
- 👤 Watson W Tranter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:48
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/14; Y; Y10; Y10S; Y10S239/00; Y10S239/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US47219A
Cited
US56304A
Cited
US525262A
Cited
US539862A
Cited
US1688614A
Cited
US2237687A
Cited
US2363776A
Cited
US2365755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |