US2618872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow-removal tractor attachment
Assignee: Individual
•
Filing: 1948-07-16
•
Granted: 1952-11-25
•
Expires: 1968-07-16
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Gillies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:38
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/08; E01H5/09; E01H5/098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US395548A
Cited
US1587449A
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US1624145A
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US1701767A
Cited
US1709243A
Cited
US2136214A
Cited
US2202345A
Cited
US2381017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |