Patent US2965464A successfully refreshed from Google Patents.
US2622285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protecting means for use in connection with windows
Assignee: Individual
•
Filing: 1951-06-29
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Granted: 1952-12-23
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles J Roos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:25
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/28; E06B3/54; E06B3/5418
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |