Patent US5104471A successfully refreshed from Google Patents.
Patent US855543A successfully refreshed from Google Patents.
US855543A
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US
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Elevator-engine.
Assignee: Individual
•
Filing: 1906-04-20
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Granted: 1907-06-04
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Expires: 1926-04-20
Abstract
No abstract record available.
Inventors
- 👤 Le Grand M Van Slyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:01
CPC Classifications
B; B66; B66B; B66B11/00; B66B11/04; B66B11/043; B66B11/0446; B66D; B66D1/00; B66D1/02; A; A61; A61B; A61B6/00; A61B6/10; A61B6/102; A61B6/105; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
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) | 1910-06-03 | 1910-12-03 | 1911-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-06-03 | 1914-12-03 | 1915-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-06-03 | 1918-12-03 | 1919-06-04 | $7700.00 | Window Closed / Lapsed |