US3276764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-deflection device for railway vehicles
Assignee: Henschel Werke AG
•
Filing: 1964-11-02
•
Granted: 1966-10-04
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Bitterberg Friedhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:03
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61D; B61D3/00; B61D3/10; B61D3/14; B61F5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1678530A
Cited
US944820A
Cited
US1473918A
Cited
US2404475A
Cited
US2645188A
Cited
US2874646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |