US2542435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle fastening means for pressure cooker closures
Assignee: Landers Frary and Clark
•
Filing: 1945-05-10
•
Granted: 1951-02-20
•
Expires: 1965-05-10
Abstract
No abstract record available.
Inventors
- 👤 William J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:00
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US561584A
Cited
US606949A
Cited
GB190509122A
Cited
GB191004993A
Cited
FR630277A
Cited
FR33108E
Cited
CH131323A
Cited
FR33871E
Cited
US2121596A
Cited
US2176306A
Cited
US2282011A
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 |