Patent US2948057A successfully refreshed from Google Patents.
US2948057A
Expired / Lapsed
US
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Press for shock absorbing spring assemblies of crawler tractors
Assignee: Individual
•
Filing: 1956-03-08
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Granted: 1960-08-09
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Expires: 1976-03-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Dagenais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B21; B21F; B21F35/00; B23; B23P; B23P19/00; B23P19/04; B25B27/14; B25B27/24; B25B27/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372350A
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US1456796A
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US1758451A
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US2160446A
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US2234819A
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US2314589A
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US2387839A
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US2566460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |