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Patent US2900943A successfully refreshed from Google Patents.
US2900943A
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Cushioning means for double action presses
Assignee: AO Smith Corp
•
Filing: 1953-10-19
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Granted: 1959-08-25
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Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Julius B Tiedemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:06
CPC Classifications
B; B21; B21D; B21D24/00; B21D24/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20042E
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US1562988A
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US1633266A
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US1893951A
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US2091961A
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US2163517A
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US2283505A
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US2448327A
Cited
US2522746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |