US3501902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side guard for lawn mower
Assignee: Lawn Boy Inc
•
Filing: 1967-01-13
•
Granted: 1970-03-24
•
Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 Einar S Dahl
- 👤 Edward W Puffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:16
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/82; A01D34/828; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US554153A
Cited
US1443478A
Cited
US1630415A
Cited
US2806339A
Cited
US2929186A
Cited
US3264807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |