US2777271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grass blower attachments for lawn mowers
Assignee: HUFFMAN Co
•
Filing: 1955-05-03
•
Granted: 1957-01-15
•
Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 William R Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/06; A01D43/077; A01D2101/00; A01D34/00; A01D34/01; A01D34/412; A01D34/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614386A
Cited
US2491544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |