US1878796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic door
Assignee: Individual
•
Filing: 1927-12-22
•
Granted: 1932-09-20
•
Expires: 1947-12-22
Abstract
No abstract record available.
Inventors
- 👤 Frank L Morse
- 👤 Robert V Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/616; E05F15/619; E05F15/632; E05F15/635; E05F15/643; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/722; E05Y2800/00; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/19698; Y10T74/19828; Y10T74/19842
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-09-20 | 1936-03-21 | 1936-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-20 | 1940-03-21 | 1940-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-20 | 1944-03-21 | 1944-09-20 | $7700.00 | Window Closed / Lapsed |