US1204805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill.
Assignee: CATHRINE MACDONALD
•
Filing: 1912-09-11
•
Granted: 1916-11-14
•
Expires: 1932-09-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Macdonald
- 👤 Frank C Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/62; E21B10/627; E21B10/633; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17205
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) | 1919-11-14 | 1920-05-15 | 1920-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-14 | 1924-05-15 | 1924-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-14 | 1928-05-15 | 1928-11-14 | $7700.00 | Window Closed / Lapsed |