US829001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-measuring oil-pump.
Assignee: Individual
•
Filing: 1905-11-10
•
Granted: 1906-08-21
•
Expires: 1925-11-10
Abstract
No abstract record available.
Inventors
- 👤 John B Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/16; B67D7/163; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492
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) | 1909-08-20 | 1910-02-19 | 1910-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-08-20 | 1914-02-19 | 1914-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-08-20 | 1918-02-19 | 1918-08-21 | $7700.00 | Window Closed / Lapsed |