US1317874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated percussive drill.
Assignee: Ingersoll Rand Co
•
Filing: 1918-04-24
•
Granted: 1919-10-07
•
Expires: 1938-04-24
Abstract
No abstract record available.
Inventors
- 👤 Harry V Haight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:17
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036
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) | 1922-10-06 | 1923-04-07 | 1923-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-10-06 | 1927-04-07 | 1927-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-10-06 | 1931-04-07 | 1931-10-07 | $7700.00 | Window Closed / Lapsed |