US2849208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism for sprayers
Assignee: SPRAYERS AND NOZZLES Inc
•
Filing: 1954-07-26
•
Granted: 1958-08-26
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Lee Skipwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52408; F16K31/52425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1225238A
Cited
US1264293A
Cited
US2381589A
Cited
US2520976A
Cited
US2537798A
Cited
US2606068A
Cited
US2675829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |