US2993651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water spraying device providing a controlled proportion of a chemical in water
Assignee: Barco Manufacturing Co Inc
•
Filing: 1959-10-14
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Granted: 1961-07-25
•
Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 George B Packard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:43
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/316; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/244; B05B7/2443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899698A
Cited
US2310633A
Cited
US2260603A
Cited
US2391583A
Cited
US2752201A
Cited
GB684986A
Cited
US2617686A
Cited
US2788244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |