Patent US3545188A successfully refreshed from Google Patents.
US3545188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact mowing apparatus and system
Assignee: Oregon Tool Inc
•
Filing: 1968-09-16
•
Granted: 1970-12-08
•
Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 Norman C Locati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:21
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/83; A01D34/831
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US492322A
Cited
DE162495C
Cited
US2514861A
Cited
US2481364A
Cited
US2543386A
Cited
US2782582A
Cited
GB760827A
Cited
US2793487A
Cited
US2728181A
Cited
US2744376A
Cited
US2941345A
Cited
US3043079A
Cited
US3397524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |