US2739340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power sweeper with multiple dust receiving means
Assignee: Detroit Harvester Co
•
Filing: 1951-07-31
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Granted: 1956-03-27
•
Expires: 1971-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harold L Blydenburgh
- 👤 Gerald M Pence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:14
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4077; A47L11/24; A47L11/4013; A47L11/4025; A47L11/4036; A47L11/4044; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0854
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |