US2690355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device for attachment to tractors
Assignee: Engine Parts Manuf Co
•
Filing: 1948-02-26
•
Granted: 1954-09-28
•
Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Harold A Walters
- 👤 Glenn A Tanner
- 👤 Jr Harold D North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:37
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0053; B; B05; B05B; B05B1/00; B05B1/02; B05B1/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32819; Y10T403/32852
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |