US2611979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snowplow shoe
Assignee: Individual
•
Filing: 1950-01-28
•
Granted: 1952-09-30
•
Expires: 1970-01-28
Abstract
No abstract record available.
Inventors
- 👤 Ward W Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:13
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/06; E01H5/065; E01H5/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584052A
Cited
US1707552A
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US1679409A
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US1918771A
Cited
US1964617A
Cited
US2092311A
Cited
US2138783A
Cited
US2228538A
Cited
US2315007A
Cited
US2403219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |