US3513648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mower disc guards
Assignee: Unisys Corp
•
Filing: 1967-05-25
•
Granted: 1970-05-26
•
Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles M Kline
- 👤 Neil W Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:24
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152994A
Cited
US1397365A
Cited
US2153771A
Cited
US2625784A
Cited
US3034275A
Cited
US3350864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |