Patent US501928A successfully refreshed from Google Patents.
US501928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1893-07-25
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Expires: 1910-07-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/18; B26D3/185; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6608; Y10T83/6614; Y10T83/6616; Y10T83/662
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) | 1896-07-24 | 1897-01-23 | 1897-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-07-25 | 1901-01-24 | 1901-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-07-25 | 1905-01-24 | 1905-07-26 | $7700.00 | Window Closed / Lapsed |