US2930068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum device for picking up grass, leaves, and the like
Assignee: Individual
•
Filing: 1957-10-25
•
Granted: 1960-03-29
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Austin E Evanson
- 👤 Milton A Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:25
CPC Classifications
A; A01; A01D; A01D42/00; A01D42/06; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL19776C
Cited
US928456A
Cited
GB191319012A
Cited
US1297384A
Cited
US1684698A
Cited
US1803160A
Cited
US1954066A
Cited
US2610351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |