Patent US3236034A successfully refreshed from Google Patents.
US3236034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower and drive mechanism therefor
Assignee: Individual
•
Filing: 1963-11-18
•
Granted: 1966-02-22
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 James D Blettner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:26
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D2101/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732675A
Cited
US3118266A
Cited
US2618919A
Cited
US2688833A
Cited
US3136106A
Cited
US3135079A
Cited
US3166880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |