US2426474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash and sash guiding means
Assignee: Individual
•
Filing: 1944-03-24
•
Granted: 1947-08-26
•
Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Sr Earl M Trammell
- 👤 Jr Earl M Trammell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:23
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392924A
Cited
US674301A
Cited
GB191224514A
Cited
US1357569A
Cited
GB221141A
Cited
US1642177A
Cited
US2183476A
Cited
US2188054A
Cited
US2345273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |