US2680946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower attachment for tractors
Assignee: Individual
•
Filing: 1950-11-28
•
Granted: 1954-06-15
•
Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 Merlin E Rousey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:22
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/02; A01D34/03; A01D34/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US957660A
Cited
US1372339A
Cited
US1690950A
Cited
US1657994A
Cited
US2190161A
Cited
US2340488A
Cited
US2483683A
Cited
US2501424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |