Patent US2989653A successfully refreshed from Google Patents.
Patent US3672225A successfully refreshed from Google Patents.
Patent DE201293C successfully refreshed from Google Patents.
Patent US184599A successfully refreshed from Google Patents.
US184599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ehrhardt
Assignee: —
•
Filing: —
•
Granted: 1876-11-21
•
Expires: 1893-11-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0692; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/168; Y10T24/44; Y10T24/44009; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/44915
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) | 1879-11-21 | 1880-05-22 | 1880-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-11-21 | 1884-05-22 | 1884-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-11-21 | 1888-05-22 | 1888-11-21 | $7700.00 | Window Closed / Lapsed |