Patent US2778480A successfully refreshed from Google Patents.
Patent US576307A successfully refreshed from Google Patents.
US576307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: —
•
Filing: —
•
Granted: 1897-02-02
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Expires: 1914-02-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:27
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/24; C10M125/04; C10M125/14; C10M125/22; C10M129/00; C10M129/02; C10M129/26; C10M129/56; C10M129/62; C10M2201/00; C10M2201/04; C10M2201/05
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) | 1900-02-02 | 1900-08-04 | 1901-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-02-03 | 1904-08-04 | 1905-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-02-03 | 1908-08-04 | 1909-02-03 | $7700.00 | Window Closed / Lapsed |