US2602003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating apparatus for blowing loose foreign material from articles
Assignee: Willard Storage Battery Co
•
Filing: 1946-10-30
•
Granted: 1952-07-01
•
Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Howell H Wellborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:28
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/4285; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S15/00; Y10S15/07; Y10S239/00; Y10S239/01
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) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |