US2997310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer skid
Assignee: Individual
•
Filing: 1958-12-17
•
Granted: 1961-08-22
•
Expires: 1978-12-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Poulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:13
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60P3/1083; B60D; B60D1/00; B60D1/24; B60D1/36; B60D1/38; B62; B62B; B62B15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2189710A
Cited
US2132744A
Cited
US2528890A
Cited
US2509067A
Cited
US2704989A
Cited
US2723130A
Cited
US2844389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |