US2640233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jalousie window
Assignee: Individual
•
Filing: 1952-02-08
•
Granted: 1953-06-02
•
Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 Silvers Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US481077A
Cited
FR528461A
Cited
FR523116A
Cited
US1480095A
Cited
US1530220A
Cited
US1591602A
Cited
US1763837A
Cited
GB599567A
Cited
US2565447A
Cited
US2556695A
Cited
US2601707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |