Patent US754321A successfully refreshed from Google Patents.
US754321A
Expired / Lapsed
US
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Drilling-machine.
Assignee: Individual
•
Filing: 1903-09-29
•
Granted: 1904-03-08
•
Expires: 1923-09-29
Abstract
No abstract record available.
Inventors
- 👤 William F Koeppen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/22; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378
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) | 1907-03-08 | 1907-09-07 | 1908-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-08 | 1911-09-07 | 1912-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-08 | 1915-09-07 | 1916-03-08 | $7700.00 | Window Closed / Lapsed |