US2822940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible animal ramp for use with trucks and the like
Assignee: Individual
•
Filing: 1956-02-20
•
Granted: 1958-02-11
•
Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 George E Kopaska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/43; B60P1/431
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1105004A
Cited
US1665493A
Cited
US1782554A
Cited
US2228946A
Cited
US2215631A
Cited
US2584396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |