Patent US2873693A successfully refreshed from Google Patents.
US2873693A
Expired / Lapsed
US
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Resiliently mounted tie-down support rails
Assignee: Evans Products Co
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Filing: 1955-04-08
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Granted: 1959-02-17
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Expires: 1975-04-08
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Chapman
- 👤 Henry L Dunlap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:03
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B60P3/075; B60P3/079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2046391A
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US2020270A
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US2073617A
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US2128667A
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US2159479A
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US2574410A
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US2729173A
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US2779543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |