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US1198252A
Expired / Lapsed
US
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Elevator-door hanger.
Assignee: ELEVATOR EFFICIENCY APPLIANCE Co
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Filing: 1916-05-17
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Granted: 1916-09-12
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Expires: 1936-05-17
Abstract
No abstract record available.
Inventors
- 👤 Charles O Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:05
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063
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) | 1919-09-12 | 1920-03-13 | 1920-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-09-12 | 1924-03-13 | 1924-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-09-12 | 1928-03-13 | 1928-09-12 | $7700.00 | Window Closed / Lapsed |