Patent US1045522A successfully refreshed from Google Patents.
US1045522A
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US
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Elevator and tank construction.
Assignee: UNIT CONSTRUCTION Co
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Filing: 1911-10-11
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Granted: 1912-11-26
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Expires: 1931-10-11
Abstract
No abstract record available.
Inventors
- 👤 John E Conzelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:41
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24
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) | 1915-11-26 | 1916-05-27 | 1916-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-26 | 1920-05-27 | 1920-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-26 | 1924-05-27 | 1924-11-26 | $7700.00 | Window Closed / Lapsed |