Patent US1900538A successfully refreshed from Google Patents.
Patent US659450A successfully refreshed from Google Patents.
US659450A
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US
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Apparatus for obtaimng power fxg
Assignee: —
•
Filing: —
•
Granted: 1900-10-09
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Expires: 1917-10-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:16
CPC Classifications
F; F25; F25B; F25B27/00; F25B27/002; F25B27/005; F25B2309/00; F25B2309/06; F25B2309/061; F25B2339/00; F25B2339/04; F25B2339/047
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) | 1903-10-09 | 1904-04-09 | 1904-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-10-09 | 1908-04-09 | 1908-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-10-09 | 1912-04-09 | 1912-10-09 | $7700.00 | Window Closed / Lapsed |