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Patent US2998049A successfully refreshed from Google Patents.
US2998049A
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Apparatus for building air spring
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1958-01-28
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Granted: 1961-08-29
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Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas L Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:04
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/02; B29C53/025; B29C57/00; B29D22/00; B29D22/02; B29D22/023; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1408039A
Cited
US1762824A
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US2313035A
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US2468286A
Cited
US2565071A
Cited
US2567064A
Cited
US2614952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |