US2993648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propelled spraying device
Assignee: Phillips Petroleum Co
•
Filing: 1959-01-05
•
Granted: 1961-07-25
•
Expires: 1979-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jennings P Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/50; A; A01; A01M; A01M9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR777970A
Cited
US1994201A
Cited
GB688563A
Cited
FR1046624A
Cited
US2753801A
Cited
US2868127A
Cited
US2772922A
Cited
US2854925A
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 |