Patent US3778087A successfully refreshed from Google Patents.
Patent US3490627A successfully refreshed from Google Patents.
US3490627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift device
Assignee: ROLAND H GOLDSTON JR
•
Filing: 1968-03-19
•
Granted: 1970-01-20
•
Expires: 1988-03-19
Abstract
No abstract record available.
Inventors
- 👤 Roland H Goldston Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:42
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60P3/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2726777A
Cited
US3152704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |