US1163712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-rotating mechanism for percussion-hammers.
Assignee: HENRY B NEWHALL
•
Filing: 1913-04-03
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Granted: 1915-12-14
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Expires: 1933-04-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Upson
- 👤 Henry W Pleister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
B; B25; B25D; B25D16/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
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) | 1918-12-13 | 1919-06-14 | 1919-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-12-13 | 1923-06-14 | 1923-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-12-13 | 1927-06-14 | 1927-12-14 | $7700.00 | Window Closed / Lapsed |