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Patent US2662623A successfully refreshed from Google Patents.
US2662623A
Expired / Lapsed
US
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Jalousie operator
Assignee: Dalmo Victor Co
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Filing: 1952-01-11
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Granted: 1953-12-15
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Expires: 1972-01-11
Abstract
No abstract record available.
Inventors
- 👤 Donald H Mcgogy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:01
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; Y; Y10; Y10T; Y10T292/00; Y10T292/45; Y10T292/47; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |