US2631336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window assembly and sash holder
Assignee: Individual
•
Filing: 1950-08-04
•
Granted: 1953-03-17
•
Expires: 1970-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lorant I Weissman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:19
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727993A
Cited
US1800104A
Cited
US1864066A
Cited
US2115139A
Cited
US2183105A
Cited
US2288558A
Cited
US2303129A
Cited
US2264020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |