US2919533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tall grass bending and conditioning attachment for reel type lawn mowers
Assignee: Individual
•
Filing: 1957-01-18
•
Granted: 1960-01-05
•
Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 William A Hemmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:54
CPC Classifications
A; A01; A01D; A01D57/00; A01D57/01; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/52; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US91343A
Cited
DE618607C
Cited
US1258456A
Cited
GB257419A
Cited
US2000249A
Cited
US2509343A
Cited
US2554669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |