Patent US2576178A successfully refreshed from Google Patents.
US2576178A
Expired / Lapsed
US
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Draft rigging for wagons
Assignee: Allis Chalmers Corp
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Filing: 1947-12-13
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Granted: 1951-11-27
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Expires: 1967-12-13
Abstract
No abstract record available.
Inventors
- 👤 Earl W Hiles
- 👤 Watler H Ruther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:24
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04; B62; B62B; B62B5/00; B62B5/0026; B62B5/0063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780348A
Cited
US1000106A
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US1124271A
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US1437536A
Cited
US2022186A
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US2200964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |