Patent US2684653A successfully refreshed from Google Patents.
US2684653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow coupling
Assignee: Nashville Bridge Co
•
Filing: 1949-01-04
•
Granted: 1954-07-27
•
Expires: 1969-01-04
Abstract
No abstract record available.
Inventors
- 👤 Harry B Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:48
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/62; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US129844A
Cited
US230113A
Cited
US238671A
Cited
US425171A
Cited
US571547A
Cited
US739091A
Cited
US820974A
Cited
US1084975A
Cited
US1406602A
Cited
US1514845A
Cited
US1520144A
Cited
US2126843A
Cited
US2157186A
Cited
US2219455A
Cited
US2282481A
Cited
US2370679A
Cited
US2371622A
Cited
US2441999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |