Patent US3113384A successfully refreshed from Google Patents.
Patent US2539934A successfully refreshed from Google Patents.
US2539934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mowing machine
Assignee: Individual
•
Filing: 1948-02-27
•
Granted: 1951-01-30
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Smith Alexander
- 👤 Lucius N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:48
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US119398A
Cited
US1397365A
Cited
US1294346A
Cited
US1745069A
Cited
US1533701A
Cited
US1710749A
Cited
GB339618A
Cited
GB416140A
Cited
US2197561A
Cited
US2193712A
Cited
US2263431A
Cited
US2344663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |