US2867963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disk-type mower cutter mechanism
Assignee: LAWRENCE BROS Inc
•
Filing: 1956-02-07
•
Granted: 1959-01-13
•
Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Forby W Lawrence
- 👤 Orby W Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:48
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1248330A
Cited
US2476394A
Cited
US2471367A
Cited
US2547540A
Cited
US2787881A
Cited
US2728182A
Cited
US2793484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |