Patent US2618496A successfully refreshed from Google Patents.
US2618496A
Expired / Lapsed
US
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Adjustable supporting leg
Assignee: Individual
•
Filing: 1947-09-15
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Granted: 1952-11-18
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Expires: 1967-09-15
Abstract
No abstract record available.
Inventors
- 👤 Wallace J S Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:52
CPC Classifications
E; E04; E04G; E04G5/00; E04G5/02; E04G1/00; E04G1/24; E04G2001/242; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17307; Y10T403/00; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376810A
Cited
US411481A
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US1197727A
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US1886112A
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US1973948A
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US2043498A
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US2327050A
Cited
US2256892A
Cited
US2388179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |