US2090099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead door structure
Assignee: National Manufacturing Co
•
Filing: 1930-12-18
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Granted: 1937-08-17
•
Expires: 1950-12-18
Abstract
No abstract record available.
Inventors
- 👤 Louis A Bittorf
- 👤 George G Behrens
- 👤 Decker Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:47
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0021; E05D; E05D15/00; E05D15/16; E05D15/24; E05D13/00; E05D13/10; E05D13/12; E05D13/1207; E05D13/1215; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10S; Y10S70/00; Y10S70/11; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5469; Y10T70/5473
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) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |