Patent US3723996A successfully refreshed from Google Patents.
Patent US3138161A successfully refreshed from Google Patents.
Patent US3114882A successfully refreshed from Google Patents.
US502376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fritz ochs
Assignee: —
•
Filing: —
•
Granted: 1893-08-01
•
Expires: 1910-08-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:30
CPC Classifications
D; D04; D04H; D04H18/00; D04H18/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079
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) | 1896-07-31 | 1897-01-30 | 1897-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-08-01 | 1901-01-31 | 1901-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-08-01 | 1905-01-31 | 1905-08-02 | $7700.00 | Window Closed / Lapsed |