Patent DE484540C successfully refreshed from Google Patents.
Patent US738705A successfully refreshed from Google Patents.
US738705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoisting apparatus.
Assignee: 20TH CENTURY FIRE ESCAPE CO
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Filing: 1903-01-29
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Granted: 1903-09-08
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Expires: 1923-01-29
Abstract
No abstract record available.
Inventors
- 👤 Charles Edward Stevenson
- 👤 Robert Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:58
CPC Classifications
E; E06; E06C; E06C9/00; E06C9/06; E06C9/08; E06C9/12
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) | 1906-09-07 | 1907-03-09 | 1907-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-07 | 1911-03-09 | 1911-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-07 | 1915-03-09 | 1915-09-08 | $7700.00 | Window Closed / Lapsed |