Patent US2558684A successfully refreshed from Google Patents.
US2558684A
Expired / Lapsed
US
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Fluid motor system for operating tire building drums and the like
Assignee: Wingfoot Corp
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Filing: 1947-08-06
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Granted: 1951-06-26
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Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Jorgen I Haase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24; B29D30/26
Claims Analysis
Total Claims: 0
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US2394464A
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US2443551A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |