US1914128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicage elevator
Assignee: Westinghouse Electric Corp
•
Filing: 1930-10-30
•
Granted: 1933-06-13
•
Expires: 1950-10-30
Abstract
No abstract record available.
Inventors
- 👤 Henry D James
- 👤 Douglas G Boozer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
B; B66; B66B; B66B9/00; B66B1/00; B66B1/34; B66B1/36; B66B1/40; B66B1/42; B66B1/425; B66B11/00; B66B11/02; B66B11/0206; B66B11/0213; B66B11/022
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) | 1936-06-12 | 1936-12-12 | 1937-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-12 | 1940-12-12 | 1941-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-12 | 1944-12-12 | 1945-06-13 | $7700.00 | Window Closed / Lapsed |