US2906490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic jack post
Assignee: INLAND STEEL PRODUCTS CO
•
Filing: 1956-04-09
•
Granted: 1959-09-29
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:30
CPC Classifications
E; E04; E04G; E04G25/00; E04G25/04; E04G25/06; E04G25/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381663A
Cited
CH162066A
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CH172279A
Cited
US2147284A
Cited
US2368385A
Cited
US2510328A
Cited
FR980569A
Cited
US2675256A
Cited
US2777660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |