US2350689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Header construction for sliding doors
Assignee: Individual
•
Filing: 1941-09-29
•
Granted: 1944-06-06
•
Expires: 1961-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:06
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0652; E05Y; E05Y2800/00; E05Y2800/26; E05Y2800/28; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-06 | 1947-12-06 | 1948-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-06 | 1951-12-06 | 1952-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-06 | 1955-12-06 | 1956-06-06 | $7700.00 | Window Closed / Lapsed |