Patent US5553302A successfully refreshed from Google Patents.
Patent US4759836A successfully refreshed from Google Patents.
Patent US5885284A successfully refreshed from Google Patents.
Patent US2828611A successfully refreshed from Google Patents.
US2828611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jacks
Assignee: Individual
•
Filing: 1955-11-01
•
Granted: 1958-04-01
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Johansson Ebbe Anders Israel
- 👤 Johansson Sture Allan Mattias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:04
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |