Patent US2174035A successfully refreshed from Google Patents.
US2174035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sidewalk, floor, or roadway construction
Assignee: WILLIAM P WITHEROW
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Filing: 1936-07-01
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Granted: 1939-09-26
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Expires: 1956-07-01
Abstract
No abstract record available.
Inventors
- 👤 Henderson Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:21
CPC Classifications
E; E01; E01C; E01C9/00; E01C9/004; E01C9/005; E01C11/00; E01C11/22; E01C11/224; E01C11/225; E01C5/00; E01C5/06; E01C5/08; E01C5/085
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) | 1942-09-25 | 1943-03-27 | 1943-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-25 | 1947-03-27 | 1947-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-25 | 1951-03-27 | 1951-09-26 | $7700.00 | Window Closed / Lapsed |