Patent CH16698A successfully refreshed from Google Patents.
Patent US2885019A successfully refreshed from Google Patents.
US2885019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guidance system especially adapted for lawn mower
Assignee: Individual
•
Filing: 1957-07-09
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Granted: 1959-05-05
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Expires: 1977-07-09
Abstract
No abstract record available.
Inventors
- 👤 Eris K Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:59
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/006; A01D34/008; A01B; A01B69/00; A01B69/002; A01D2101/00; B; B60; B60L; B60L2200/00; B60L2200/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191329678A
Cited
US1570547A
Cited
US2339291A
Cited
US2259193A
Cited
US2513868A
Cited
GB660841A
Cited
US2751030A
Cited
US2742099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |