US3004304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable and tiltable window structures
Assignee: Individual
•
Filing: 1959-05-20
•
Granted: 1961-10-17
•
Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Frank Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:45
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/48; E05D15/52; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2073017A
Cited
US2866635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |