US2072468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skylight operator
Assignee: PARK CITY CORNICE WORKS Inc
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Filing: 1935-07-12
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Granted: 1937-03-02
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Expires: 1955-07-12
Abstract
No abstract record available.
Inventors
- 👤 Otto X Saur
- 👤 Adolph G Pitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/34; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; E05Y2900/152; E05Y2900/154; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-03-01 | 1940-08-31 | 1941-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-01 | 1944-08-31 | 1945-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-01 | 1948-08-31 | 1949-03-02 | $7700.00 | Window Closed / Lapsed |