US2978185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air blast sprayer
Assignee: Individual
•
Filing: 1958-03-24
•
Granted: 1961-04-04
•
Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Pearch Leonard Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:25
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0003; A01M7/0014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297082A
Cited
US2281229A
Cited
US2348190A
Cited
US2583560A
Cited
US2551789A
Cited
US2444677A
Cited
US2763426A
Cited
US2829674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |