Patent US1049478A successfully refreshed from Google Patents.
US1049478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricator for air-cylinders of locomotive-air-brake pumps.
Assignee: Individual
•
Filing: 1911-04-14
•
Granted: 1913-01-07
•
Expires: 1931-04-14
Abstract
No abstract record available.
Inventors
- 👤 William Clifton Hedgcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:51
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88022; Y10T137/8803
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) | 1916-01-07 | 1916-07-08 | 1917-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-01-07 | 1920-07-08 | 1921-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-01-07 | 1924-07-08 | 1925-01-07 | $7700.00 | Window Closed / Lapsed |