Patent US336728A successfully refreshed from Google Patents.
US336728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn-cleaner
Assignee: —
•
Filing: —
•
Granted: 1886-02-23
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Expires: 1903-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/04; E01H1/045; A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1889-02-22 | 1889-08-24 | 1890-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-02-22 | 1893-08-24 | 1894-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-02-22 | 1897-08-24 | 1898-02-23 | $7700.00 | Window Closed / Lapsed |