US2678231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting sleeve for attaching separable vehicle units together
Assignee: Individual
•
Filing: 1949-12-21
•
Granted: 1954-05-11
•
Expires: 1969-12-21
Abstract
No abstract record available.
Inventors
- 👤 Barenyi Bela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:24
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/24; B62D65/00; B62D65/02; B62D65/04; F; F16; F16B; F16B2200/00; F16B2200/40; F16B2200/403; Y; Y10; Y10T; Y10T403/00; Y10T403/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953515A
Cited
GB486968A
Cited
GB491383A
Cited
AT152886B
Cited
GB506845A
Cited
US2248319A
Cited
FR893936A
Cited
US2425948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |