US3375608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted window louvres
Assignee: Swegon Air Management Ltd
•
Filing: 1965-07-13
•
Granted: 1968-04-02
•
Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Thompson Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:36
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; E05; E05D; E05D7/00; E05D7/08; E05D7/082; E05D7/083; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2601707A
Cited
US2726426A
Cited
US2787032A
Cited
US2952051A
Cited
US3084405A
Cited
US3170547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |