US2680268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable panel structure
Assignee: Individual
•
Filing: 1952-11-21
•
Granted: 1954-06-08
•
Expires: 1972-11-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Rutherford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:10
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1005; E05Y; E05Y2900/00; E05Y2900/20; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0948
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |