US1994142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door operating mechanism
Assignee: YODER MORRIS Co
•
Filing: 1930-04-24
•
Granted: 1935-03-12
•
Expires: 1950-04-24
Abstract
No abstract record available.
Inventors
- 👤 Madsen Sern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:10
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05D13/00; E05D13/10; E05D13/12; E05D13/1253; E05D13/1261; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/499; E05Y2800/00; E05Y2800/69; E05Y2800/692; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10S; Y10S70/00; Y10S70/11; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5195
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) | 1938-03-11 | 1938-09-10 | 1939-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-11 | 1942-09-10 | 1943-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-11 | 1946-09-10 | 1947-03-12 | $7700.00 | Window Closed / Lapsed |