Patent US496531A successfully refreshed from Google Patents.
Patent US662091A successfully refreshed from Google Patents.
US662091A
Expired / Lapsed
US
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Collapsible core.
Assignee: CHARLES S FURBER
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Filing: 1900-01-26
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Granted: 1900-11-20
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Expires: 1920-01-26
Abstract
No abstract record available.
Inventors
- 👤 George H Ricke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:34
CPC Classifications
E; E04; E04G; E04G15/00; E04G15/06; E04G15/063; B; B22; B22C; B22C9/00; B22C9/10; B22C9/101; Y; Y10; Y10S; Y10S425/00; Y10S425/014
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) | 1903-11-20 | 1904-05-21 | 1904-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-20 | 1908-05-21 | 1908-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-20 | 1912-05-21 | 1912-11-20 | $7700.00 | Window Closed / Lapsed |