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Patent US2705633A successfully refreshed from Google Patents.
US2705633A
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Shock absorbing means for railroad car trucks
Assignee: Houdaille Hershey Corp
•
Filing: 1949-11-26
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Granted: 1955-04-05
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Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Elbert Leland Potter
- 👤 William H Mergi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:35
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122; F; F16; F16B; F16B2200/00; F16B2200/10; F16B2200/69; F16B2200/73
Claims Analysis
Total Claims: 0
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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) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |