Patent US915201A successfully refreshed from Google Patents.
US915201A
Expired / Lapsed
US
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Tapping-head or thread-cutter.
Assignee: Individual
•
Filing: 1908-04-15
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Granted: 1909-03-16
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Expires: 1928-04-15
Abstract
No abstract record available.
Inventors
- 👤 George A Miller
- 👤 Louis E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:56
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/52; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/70; Y10T408/73; Y10T408/75
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) | 1912-03-15 | 1912-09-14 | 1913-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-15 | 1916-09-14 | 1917-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-15 | 1920-09-14 | 1921-03-16 | $7700.00 | Window Closed / Lapsed |