Patent US3475838A successfully refreshed from Google Patents.
US3475838A
Expired / Lapsed
US
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Snow scoop
Assignee: KENNETH G HAGEN
•
Filing: 1966-03-22
•
Granted: 1969-11-04
•
Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Hagen
- 👤 Richard H Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:05
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US569830A
Cited
US861308A
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US1015969A
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US2666309A
Cited
US2852872A
Cited
US2852873A
Cited
US3017710A
Cited
US3024547A
Cited
US3007263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |