US2903977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer spotting apparatus and tractor
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1953-11-09
•
Granted: 1959-09-15
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Bronislaus I Ulinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
B; B61; B61D; B61D47/00; B61D47/005; B61D45/00; B61D45/001; B61D45/004; B61D45/005; B62; B62D; B62D49/00; B62D49/005; B62D49/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1541457A
Cited
US1668530A
Cited
US1734303A
Cited
US1875052A
Cited
US2065573A
Cited
US2144081A
Cited
US2099288A
Cited
FR838685A
Cited
US2445134A
Cited
US2637453A
Cited
US2662781A
Cited
US2783899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |