US2726595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Louver
Assignee: Individual
•
Filing: 1953-03-25
•
Granted: 1955-12-13
•
Expires: 1973-03-25
Abstract
No abstract record available.
Inventors
- 👤 Ila W Jones
- 👤 Joseph E Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1118365A
Cited
US1785682A
Cited
GB551023A
Cited
US2389970A
Cited
US2458134A
Cited
US2555626A
Cited
US2587509A
Cited
US2589529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |