US2901182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine operated insecticide sprayer
Assignee: Donaldson Co Inc
•
Filing: 1957-08-07
•
Granted: 1959-08-25
•
Expires: 1977-08-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Cragg
- 👤 Donald A Schuldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:30
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0089; A01M7/0003; B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2424; B05B7/2427; Y; Y10; Y10S; Y10S239/00; Y10S239/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769266A
Cited
US2591585A
Cited
US2665943A
Cited
US2606068A
Cited
US2685146A
Cited
US2611992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |