US502711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John fischer
Assignee: —
•
Filing: —
•
Granted: 1893-08-08
•
Expires: 1910-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
B; B61; B61G; B61G1/00; B61G1/18; B61G1/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1896-08-07 | 1897-02-06 | 1897-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-08-08 | 1901-02-07 | 1901-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-08-08 | 1905-02-07 | 1905-08-09 | $7700.00 | Window Closed / Lapsed |