US2542040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple leg support means
Assignee: Individual
•
Filing: 1946-05-15
•
Granted: 1951-02-20
•
Expires: 1966-05-15
Abstract
No abstract record available.
Inventors
- 👤 Maclellan William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:35
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/10; A47C9/105; F; F16; F16B; F16B12/00; F16B12/40; A47B; A47B13/00; A47B13/02; A47B2013/026; Y; Y10; Y10S; Y10S135/00; Y10S135/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US32698A
Cited
CH16335A
Cited
GB190307077A
Cited
US772316A
Cited
GB125269A
Cited
US1477233A
Cited
FR828411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |